percent
lock Free · Private · In-Browser
Percent of Total Calculator
Find what percentage one number is of another.
What percent of the whole?
One of the most common questions in everyday maths is what percent one number is of another — a part of a total. This calculator answers it directly.
Forty-five out of 180 is 25%. It works for test scores, spending as a share of a budget, or any figure you want to express as a slice of a larger whole.
Everyday and private
The calculation runs in your browser, so nothing you enter is uploaded.
Frequently Asked Questions
What does it answer?
The question, what percent is X of Y — a part divided by a total, as a percentage.
How is it calculated?
The part divided by the total, times one hundred.
Where is this used?
Test scores, budget shares, survey results, and any part-of-a-whole comparison.
Take it further
All Free Tools
Browse the full set of free, private, in-browser tools.