Finance & Money Tools
Money calculators for personal and business decisions: loan and mortgage payments, interest and APY, paychecks and 401(k) contributions, dividends, pricing, margins and late fees. They show the math behind each answer so you can check it, and nothing you enter is stored.
Paycheck Split Planner
Free paycheck split planner that allocates each paycheck across bills, savings, spending, and debt categories. Runs locally in your browser for private...
Open ToolInvoice Late Fee Calculator
Estimate late fees by amount, monthly rate, and days overdue.
Open Tool401k Contribution Calculator
Free 401k contribution calculator that estimates employee contribution, employer match, and annual retirement savings. Runs locally in your browser for...
Open ToolSubscription Revenue Calculator
Free subscription revenue calculator that runs locally in your browser.
Open ToolCost-Plus Pricing Calculator
Free cost-plus pricing calculator that turns unit cost, overhead, and target margin into a recommended selling price. Runs locally in your browser for...
Open ToolMeeting Cost Calculator
See what a meeting really costs: attendees x salaries x time, calculated live.
Open ToolBill Splitter
Free bill splitter that divides shared costs by people and optional weights for rent, trips, meals, or group expenses. Runs locally in your browser for...
Open ToolInvoice Email Generator
Generate polite invoice emails for new invoices, payment reminders, overdue notes, and paid confirmations.
Open ToolManual Currency Converter
Free manual currency converter that uses your entered exchange rate to convert amounts without live financial feeds. Runs locally in your browser for...
Open ToolMarkup Calculator
Free markup calculator that runs locally in your browser.
Open ToolProject Price Calculator
Free project price calculator that runs locally in your browser.
Open ToolSales Tax Calculator
Free sales tax calculator that runs locally in your browser.
Open ToolAmortization Schedule Builder
Free amortization schedule builder that previews monthly principal, interest, balance, and total loan cost. Runs locally in your browser for private planning.
Open ToolAnnual to Monthly Cost Converter
Free annual to monthly cost converter for subscriptions, contracts, yearly fees, and equivalent monthly budgets. Runs locally in your browser for private...
Open ToolCPM CPC CPA Converter
Free CPM, CPC, and CPA converter that connects impressions, clicks, conversions, spend, and core ad efficiency metrics. Runs locally in your browser for...
Open ToolRefinance Break-Even Calculator
Free refinance break-even calculator that compares monthly savings, closing costs, and months to recover fees. Runs locally in your browser for private...
Open ToolSubscription Audit Worksheet
Generate a SaaS subscription audit worksheet for cost, owner, usage, renewal, and cancellation review.
Open ToolAuto Loan Calculator
Free auto loan calculator for car price, down payment, trade-in, APR, term, monthly payment, and interest. Runs locally in your browser for private planning.
Open ToolBreak-Even Calculator
Free break-even calculator that runs locally in your browser.
Open ToolCoin Change Calculator
Free coin change calculator: break an amount into the fewest US coins and bills, computed locally in your browser.
Open ToolCost of Living Comparator
Free cost of living comparator that uses manual index values to compare equivalent salary between two cities. Runs locally in your browser for private planning.
Open ToolDebt Avalanche Planner
Free debt avalanche planner that orders debts by highest APR first to prioritize interest savings. Runs locally in your browser for private planning.
Open ToolDeposit Balance Calculator
Calculate the deposit due and remaining balance from a total and a deposit rate. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolDividend Reinvestment Calculator
Free DRIP calculator: project an investment’s growth when dividends are reinvested over time, in your browser.
Open ToolEthereum Gas Fee Calculator
Free ethereum gas fee calculator with labeled inputs and an immediate result. It converts gas limit and gwei price to ETH cost privately in your browser.
Open ToolFinal Price After Tax Calculator
Free after-tax price calculator: add sales tax to a price and see the total, computed locally in your browser.
Open ToolInvoice Total Builder
Free invoice total builder that sums pasted line items, applies tax or discount rates, and creates a copyable total summary. Runs locally in your browser...
Open ToolPayback Period Calculator
Free payback period calculator that estimates months to recover CAC, project cost, or investment from recurring profit. Runs locally in your browser for...
Open ToolProfit Margin Calculator
Free profit margin calculator that runs locally in your browser.
Open ToolSavings Goal Calculator
Free savings goal calculator that estimates monthly savings needed to hit a target amount by a deadline. Runs locally in your browser for private planning.
Open ToolScope Creep Cost Estimator
Free scope creep cost estimator that converts extra requests, hours, rate, and delay risk into a project impact estimate. Runs locally in your browser for...
Open ToolBudget 50/30/20 Splitter
Free 50/30/20 budget splitter that divides take-home pay into needs, wants, savings, and debt payoff categories. Runs locally in your browser for private...
Open ToolBulk Discount Tiers Builder
Free bulk discount tiers builder that creates quantity breaks, unit prices, savings, and total revenue by tier. Runs locally in your browser for private...
Open ToolCustomer Lifetime Value Calculator
Free customer lifetime value calculator that runs locally in your browser.
Open ToolDebt Snowball Planner
Free debt snowball planner that orders debts by balance and estimates payoff order with an extra payment budget. Runs locally in your browser for private...
Open ToolDeposit Milestone Splitter
Free deposit and milestone splitter that converts a project total into deposit, midpoint, delivery, and final payment amounts. Runs locally in your browser...
Open ToolDiscount + Tax Calculator
Free discount and tax calculator that applies discount first, then tax, to show final checkout price and savings. Runs locally in your browser for private...
Open ToolDiscount Calculator
Free discount calculator that shows sale price, savings, and effective discount from original price and percent off. Runs locally in your browser for...
Open ToolEV Range Cost Calculator
Calculate cost per mile and per 100 miles from charge cost and miles driven. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolFreelance Take-Home Estimator
Free freelance take-home estimator that subtracts taxes, expenses, and savings buffers from projected gross income. Runs locally in your browser for private...
Open ToolHourly to Salary Converter
Free hourly to salary converter that compares hourly wage, annual salary, weekly pay, and reverse salary rate. Runs locally in your browser for private...
Open ToolImpermanent Loss Calculator
Calculate constant-product AMM impermanent loss from a price change ratio with local DeFi math. It runs entirely in your browser, with no uploads or accounts.
Open ToolInventory Carrying Cost Calculator
Calculate annual and monthly inventory carrying cost from value and a carrying rate. It runs entirely in your browser — no uploads or accounts.
Open ToolLicensing Fee Calculator
Calculate a licensing fee and the licensee share from net receipts and a rate. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolLoan Payment Calculator
Free loan payment calculator for monthly payment, total paid, and total interest from amount, APR, and term. Runs locally in your browser for private planning.
Open ToolManual Currency Rate Calculator
Convert an amount using a manually entered exchange rate with no live lookup or external request. It runs entirely in your browser, with no uploads or accounts.
Open ToolMarkup vs Margin Calculator
Free markup and margin converter: convert between markup percentage and profit margin, computed in your browser.
Open ToolMortgage Payment Calculator
Free mortgage payment calculator with principal and interest plus monthly tax and insurance estimates. Runs locally in your browser for private planning.
Open ToolPayment Plan Splitter
Free payment plan splitter that divides a total into installments with optional deposit, fees, and payment schedule notes. Runs locally in your browser for...
Open ToolPricing Tier Copy Generator
Generate draft pricing tier names, descriptions, feature bullets, and CTA copy for SaaS or service offers.
Open ToolRetirement Savings Estimator
Free retirement savings estimator that projects balance growth from current savings, monthly contributions, years, and return. Runs locally in your browser...
Open ToolRoth vs Traditional Calculator
Free Roth vs Traditional calculator that compares after-tax retirement value from current tax and future tax assumptions. Runs locally in your browser for...
Open ToolRoyalty Payment Calculator
Calculate a royalty payment and the net to the seller from gross sales and a rate. It runs entirely in your browser — no uploads or accounts.
Open ToolShipping Margin Calculator
Estimate product margin after item cost, shipping cost, and packaging cost.
Open ToolUnit Price Comparator
Free unit price comparator that compares package prices by size, unit cost, and best-value option. Runs locally in your browser for private planning.
Open ToolValue-Based Pricing Helper
Free value-based pricing helper that estimates a fair project price range from client upside, confidence, and risk. Runs locally in your browser for private...
Open ToolAffiliate Commission Calculator
Calculate affiliate commission and the merchant share from an order value and commission rate. It runs entirely in your browser, with no uploads or accounts.
Open ToolARR Calculator
Free annual recurring revenue calculator: convert MRR to ARR and see monthly and daily figures, in your browser.
Open ToolAverage Revenue Per User Calculator
Calculate ARPU by dividing total revenue by the number of users. Everything is computed locally in your browser, with no uploads and no sign-ups.
Open ToolBarista FIRE Gap Calculator
Calculate the portfolio needed after part-time income reduces annual expenses. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolBreakage Revenue Calculator
Estimate breakage revenue and expected redemptions from a balance and a breakage rate. It runs entirely in your browser — no uploads or accounts.
Open ToolCAC Payback Period Calculator
Free cac payback period calculator with labeled inputs and an immediate result. It estimates months to recover acquisition cost privately in your browser.
Open ToolCAGR Calculator
Free CAGR calculator: find the compound annual growth rate of an investment over time, computed locally in your browser.
Open ToolCap Rate Calculator
Free capitalization rate calculator: find a property’s cap rate from net operating income and value, in your browser.
Open ToolCash Drawer Counter
Free cash drawer counter: enter the count of each bill and coin to total the till, computed locally in your browser.
Open ToolChurn Calculator
Free churn calculator that runs locally in your browser.
Open ToolCompound Interest Calculator
Free compound interest calculator with starting balance, contributions, rate, years, and future value estimates. Runs locally in your browser for private...
Open ToolContraction MRR Calculator
Calculate contraction MRR and the remaining MRR from downgrades. Everything is computed locally in your browser, with no uploads and no sign-ups.
Open ToolCrypto Profit Loss Calculator
Calculate crypto profit, ROI, and ending value from buy price, sell price, and quantity manually. It runs entirely in your browser, with no uploads or accounts.
Open ToolCSS Print Invoice Layout
Work with CSS print invoice layout in your browser with a live preview and one-click copy — free and private, generated locally in your browser with no upload.
Open ToolCustomer Acquisition Cost Calculator
Free customer acquisition cost calculator that divides sales and marketing spend by new customers and shows CAC targets. Runs locally in your browser for...
Open ToolCustomer Retention Count Calculator
Calculate retained and lost customers from a starting count and a loss rate. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolDebt-to-Income Calculator
Free debt-to-income calculator: divide your monthly debt payments by gross income to get the DTI ratio lenders use, in your browser.
Open ToolDividend Yield Calculator
Free dividend yield calculator: find a stock’s yield from its annual dividend and share price, in your browser.
Open ToolDollar Cost Averaging Calculator
Calculate shares accumulated, average cost, and ending value from recurring buys and ending price. It runs locally in your browser with no uploads.
Open ToolDouble Discount Calculator
Free double discount calculator: apply two stacked discounts and see the true final price, in your browser.
Open ToolEmergency Fund Calculator
Free emergency fund calculator that estimates savings targets from monthly expenses and desired months of coverage. Runs locally in your browser for private...
Open ToolExpansion MRR Calculator
Calculate expansion MRR and the grown MRR from upsells and upgrades. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolFour Percent Rule Withdrawal
Calculate first-year withdrawal and monthly income from a portfolio using a manual withdrawal rate. It runs locally in your browser with no uploads.
Open ToolGross to Net Estimator
Free gross to net estimator that subtracts manual tax, benefit, and deduction rates from gross pay. Runs locally in your browser for private planning.
Open ToolHELOC Interest Only Payment
Calculate a HELOC interest-only monthly payment from balance and variable APR entered manually. It runs entirely in your browser, with no uploads or accounts.
Open ToolHourly Rate Calculator
Free hourly rate calculator that runs locally in your browser.
Open ToolInterest Only Loan Calculator
Calculate an interest-only payment and compare it with amortizing repayment for the same balance. It runs entirely in your browser, with no uploads or accounts.
Open ToolInventory Turnover Calculator
Free inventory turnover calculator: find how many times stock sells through and the days on hand, in your browser.
Open ToolKelly Criterion Calculator
Free kelly criterion calculator with labeled inputs and an immediate result. It estimates the full-Kelly bankroll fraction privately in your browser.
Open ToolLate Fee Percent Calculator
Calculate a late fee and the new balance due from an invoice and a fee rate. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolLoan Comparison Calculator
Compare two fixed loans by payment, total interest, and lifetime cost using manual rates and terms. It runs locally in your browser with no uploads.
Open ToolLTV:CAC Ratio Calculator
Free LTV:CAC ratio calculator that compares customer lifetime value, acquisition cost, and payback health signals. Runs locally in your browser for private...
Open ToolMilestone Payment Calculator
Calculate a milestone payment and the remaining balance from a project total. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolNet Profit Margin Calculator
Free net profit margin calculator: find the percentage of revenue kept as profit after all costs, in your browser.
Open ToolNet Revenue Retention Calculator
Calculate ending MRR and net revenue retention from a starting MRR and net expansion. It runs entirely in your browser — no uploads or accounts.
Open ToolNet Worth Tracker
Free net worth tracker that totals pasted assets and liabilities to estimate current net worth locally. Runs locally in your browser for private planning.
Open ToolNPV Calculator
Free net present value calculator: discount a series of cash flows to today at a chosen rate to judge an investment, computed in your browser.
Open ToolPercent Off Calculator
Free percent off calculator: find the sale price and how much you save from an original price and a percentage off, in your browser.
Open ToolPercentage Change Calculator
Free percentage change calculator that compares before and after values with increase, decrease, and absolute difference. Runs locally in your browser for...
Open ToolPrice Per Square Foot Calculator
Free price per square foot calculator: find the price per square foot from a total price and area, in your browser.
Open ToolReferral Bonus Pool Calculator
Calculate a referral bonus and the net after payout from new revenue and a bonus rate. It runs entirely in your browser — no uploads or accounts.
Open ToolRisk Reward Calculator
Calculate trade risk, reward, ratio, and break-even win rate from entry, stop, and target. It runs entirely in your browser — no uploads or accounts.
Open ToolROAS Calculator
Free ROAS calculator that divides revenue by ad spend and shows return on ad spend, profit estimate, and break-even target. Runs locally in your browser for...
Open ToolROI Calculator
Free ROI calculator: estimate a project's return on investment over a year from its benefits, upfront cost, and monthly cost, privately in your browser.
Open ToolRule of 72 Calculator
Free Rule of 72 calculator that estimates doubling time from an annual return or interest rate. Runs locally in your browser for private planning.
Open ToolSalary Inflation Adjuster
Free salary inflation adjuster that compares old salary, new salary, inflation rate, and real purchasing power. Runs locally in your browser for private...
Open ToolSelf Employment Tax Calculator
Estimate US self-employment tax from net earnings using the 92.35 percent base and 15.3 percent rate. It runs locally in your browser with no uploads.
Open ToolSimple Interest Calculator
Free simple interest calculator that estimates interest and final amount from principal, rate, and time. Runs locally in your browser for private planning.
Open ToolSplit the Bill Calculator
Free split the bill calculator: add a tip and divide a restaurant bill evenly among people, in your browser.
Open ToolTarget Price Calculator
Free pricing calculator: find the selling price that hits a target gross margin from your unit cost, computed locally in your browser.
Open ToolTip Calculator
Free tip calculator that splits a bill, tip amount, total, and per-person cost from bill amount and party size. Runs locally in your browser for private...
Open ToolUtilization Revenue Calculator
Calculate annual revenue from an hourly rate, weekly billable hours, and weeks worked. It runs entirely in your browser — no uploads or accounts.
Open ToolWholesale Margin Calculator
Calculate a wholesale price and the discount off retail from a retail price. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolAgency Blended Rate Calculator
Calculate a blended hourly rate from senior and junior rates and hours. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolAverage Order Value Calculator
Free average order value calculator: find AOV from total revenue and number of orders, computed in your browser.
Open ToolCar Loan Calculator
Free car loan calculator: find the monthly payment and total interest from price, down payment, rate, and term, in your browser.
Open ToolCD Ladder Calculator
Split savings across certificate terms and estimate weighted average yield. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolChurn Rate Calculator
Free churn rate calculator: find your customer churn and retention rate over a period, computed locally in your browser.
Open ToolCompound Interest Contributions
Calculate future value with starting balance, recurring contributions, return, and years. It runs entirely in your browser — no uploads or accounts.
Open ToolCost Per Unit Calculator
Free cost per unit calculator: find the price of a single unit from a total cost and quantity, in your browser.
Open ToolCreator CPM Revenue Calculator
Estimate creator ad revenue from a view count and a CPM (revenue per thousand). Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolCredit Utilization Calculator
Calculate credit utilization from card balances and limits, plus the payoff needed to hit a target. It runs locally in your browser with no uploads.
Open ToolDown Payment Calculator
Free down payment calculator: find the deposit and loan amount from a price and percentage, in your browser.
Open ToolEarly Payment Discount Calculator
Calculate an early-payment discount and the reduced amount due. Everything is computed locally in your browser, with no uploads and no sign-ups.
Open ToolEarnings Per Share Calculator
Free EPS calculator: find earnings per share from net income and shares outstanding, computed locally in your browser.
Open ToolEOQ Calculator
Free economic order quantity calculator: find the order size that minimizes total inventory cost, in your browser.
Open ToolFreelance Hourly Rate Calculator
Free freelance rate calculator: find the hourly rate you need from income goal, billable hours, and expenses, in your browser.
Open ToolFuel Savings Comparison
Compare annual fuel cost between two vehicle efficiencies from miles, fuel price, and MPG. It runs entirely in your browser — no uploads or accounts.
Open ToolFuture Value Calculator
Free future value calculator: project what a sum today grows to at a given rate over time, computed locally in your browser.
Open ToolGross Profit Calculator
Free gross profit calculator: find gross profit and gross margin from revenue and cost of goods, in your browser.
Open ToolGross to Net Hours Calculator
Free net hours calculator: subtract unpaid break time from gross hours to get paid hours, in your browser.
Open ToolHourly to Salary Calculator
Convert an hourly rate into weekly, monthly, and annual pay from hours and weeks entered. It runs entirely in your browser — no uploads or accounts.
Open ToolInflation Calculator
Free inflation calculator: see how prices and purchasing power change over time at a given rate, in your browser.
Open ToolInvoice Tax Add Calculator
Calculate the tax and tax-inclusive total from a subtotal and a tax rate. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolInvoice Tax Remove Calculator
Calculate the pre-tax subtotal and tax portion from a tax-inclusive total. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolLead Time Demand Calculator
Calculate lead-time demand from average daily demand and lead time. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolLoan-to-Value Calculator
Free loan-to-value calculator: find the LTV ratio from your loan amount and property value, in your browser.
Open ToolLogo Churn Count Calculator
Calculate churned and retained logos from a starting count and a churn rate. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolMargin of Error Calculator
Free margin of error calculator for survey proportions using sample size, expected proportion, and confidence level, entirely in your browser.
Open ToolMarkup Price Calculator
Free markup price calculator: find the selling price from a cost and markup percentage, in your browser.
Open ToolMinimum Payment Payoff Calculator
Estimate payoff months and interest from balance, APR, and fixed monthly payment. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolMonthly Burn Multiple Calculator
Calculate the burn multiple from net burn and net new ARR. Everything is computed locally in your browser, with no uploads and no sign-ups.
Open ToolMortgage Payment With Escrow
Estimate monthly mortgage principal, interest, property tax, insurance, and PMI from manual assumptions, calculated privately in your browser.
Open ToolMortgage Payoff Accelerator
Free mortgage payoff accelerator that estimates interest saved and months reduced from extra monthly payments. Runs locally in your browser for private...
Open ToolMRR Calculator
Free monthly recurring revenue calculator: find MRR and ARR from customers and average revenue, in your browser.
Open ToolOvertime Pay Calculator
Free overtime pay calculator: work out total pay from regular and overtime hours and a multiplier, in your browser.
Open ToolPersonal Loan Calculator
Calculate personal loan payment, finance charge, and total repayment from amount, APR, and months. It runs locally in your browser with no uploads.
Open ToolPortfolio Rebalance Calculator
Calculate target dollars and buy or sell amounts from total portfolio value and allocation percent. It runs locally in your browser with no uploads.
Open ToolPosition Size Risk Calculator
Calculate shares or units from account size, risk percent, entry price, and stop price. It runs entirely in your browser — no uploads or accounts.
Open ToolPresent Value Calculator
Free present value calculator: find what a future sum is worth today at a given discount rate and time, computed locally in your browser.
Open ToolPrice-to-Earnings Ratio Calculator
Free P/E ratio calculator: find a stock’s price-to-earnings ratio from price and earnings per share, in your browser.
Open ToolProportion Margin of Error
Free proportion margin of error with labeled inputs and an immediate result. It calculates a z-based proportion margin of error privately in your browser.
Open ToolQuantity Discount Calculator
Free quantity discount calculator: find the total and effective unit price after a bulk discount, in your browser.
Open ToolReal Interest Rate Calculator
Free real interest rate calculator with labeled inputs and an immediate result. It adjusts a nominal rate for inflation privately in your browser.
Open ToolReorder Point Calculator
Free reorder point calculator: find the stock level at which to reorder, including safety stock, in your browser.
Open ToolRevenue Per Employee Calculator
Calculate revenue per employee from annual revenue and headcount. Everything is computed locally in your browser, with no uploads and no sign-ups.
Open ToolSAFE Note Calculator
Estimate SAFE conversion shares from investment, valuation cap, discount, and priced round valuation. It runs locally in your browser with no uploads.
Open ToolSalary to Hourly Calculator
Convert annual salary to hourly, weekly, and monthly equivalents from hours per week and weeks worked. It runs locally in your browser with no uploads.
Open ToolSales Commission Calculator
Free sales commission calculator: work out commission and total pay from sales and a rate, in your browser.
Open ToolSavings Rate Calculator
Free savings rate calculator: find what percentage of your income you save, and a rough years-to-goal, computed locally in your browser.
Open ToolStock Average Down Calculator
Calculate new average share cost after buying more shares at another price. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolStripe Fee Calculator
Free payment fee calculator: work out the processing fee and net on a charge, or what to charge to receive a target amount, in your browser.
Open ToolStudent Loan Calculator
Calculate student loan payment, total interest, and payoff cost from balance, APR, and term with private local math. It runs in your browser with no uploads.
Open ToolStudent Loan Extra Payment Planner
Calculate how extra monthly student loan payments change payoff time and interest using local math. It runs locally in your browser with no uploads.
Open ToolSupport Cost Per Ticket Calculator
Calculate cost per ticket from support payroll and tickets resolved. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolTrading Position Size Calculator
Free trading position size calculator with an immediate result. It estimates units from account risk and stop distance privately in your browser.
Open ToolValuation Multiple Calculator
Calculate implied business valuation from revenue or EBITDA and a selected multiple. It runs entirely in your browser — no uploads or accounts.
Open ToolVAT Calculator
Free VAT calculator that adds or removes VAT from a price and shows net amount, tax amount, and gross amount. Runs locally in your browser for private planning.
Open ToolBalloon Loan Calculator
Calculate interest-only balloon loan payments, total paid before maturity, and final balance. It runs entirely in your browser, with no uploads or accounts.
Open ToolBond Current Yield Calculator
Free bond current yield calculator with labeled inputs and an immediate result. It compares annual coupon income with market price privately in your browser.
Open ToolBundle Price Calculator
Calculate a bundle price and savings from the separate item total and a discount. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolContribution Margin Calculator
Free contribution margin calculator: find the amount and percentage each sale contributes after variable costs, computed in your browser.
Open ToolCSS Pricing Card
Work with CSS pricing card in your browser with a live preview and one-click copy — free and private, generated locally in your browser with no upload and no.
Open ToolEffective Annual Rate Calculator
Free effective annual rate calculator: convert a nominal APR with compounding into the true annual rate, in your browser.
Open ToolGross Revenue Retention Calculator
Calculate retained MRR, churned MRR, and the GRR percentage from churn. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolPayroll Burden Calculator
Calculate the burden cost and fully loaded payroll from base pay and a burden rate. It runs entirely in your browser — no uploads or accounts.
Open ToolRisk Reward Ratio Calculator
Free risk reward ratio calculator with labeled inputs and an immediate result. It compares target upside with stop downside privately in your browser.
Open ToolRunway & Burn Calculator
Free runway calculator: divide cash on hand by monthly net burn to see how many months a startup can operate, computed in your browser.
Open ToolSaaS Budget Forecast Tool
Forecast simple monthly SaaS spend from tools, seats, and planned changes.
Open ToolSafety Stock Days Calculator
Calculate safety stock units from daily demand and a buffer in days. Everything is calculated locally in your browser, with no uploads or sign-ups.
Open ToolAI ROI Calculator
Compare the full cost of an employee with an AI agent to see yearly savings, payback time, 3-year ROI, and hours freed each week.
Open ToolAnswering Service Cost Calculator
Compare what a per-minute or per-call answering service, an AI receptionist, and a staff receptionist would cost for your monthly call volume.
Open ToolCD Calculator
Free CD calculator: see the interest a certificate of deposit earns and its balance at maturity from the deposit, APY or rate, and term.
Open ToolCost of an Employee Calculator
Add payroll taxes, benefits, overhead, and hiring costs to salary to see what an employee really costs per year, month, and hour worked.
Open ToolDividend Calculator
Free dividend calculator: see dividend income per payment, month, and year, and how reinvesting (DRIP) grows a holding over time.
Open ToolShopify Fee Calculator
Free Shopify fee calculator: enter monthly sales and orders to see each plan's real cost with card fees, third-party fees, and apps, and which plan is cheapest.
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