Percentage Calculator
X% of Y, % change, what % — all percentage problems. Free, private and runs in your browser.
NewPopular
What is % of ?
is what % of ?
% change from to
increased by %
decreased by %
is % of what?
Marks: out of
About the Percentage Calculator
Solve every everyday percentage question — discounts, marks, growth, and more — with instant answers and the formula shown.
100% free
No signup
Private – runs locally
Works on mobile
How to use the Percentage Calculator
- Pick the calculation type.
- Enter values.
- Read the answer and formula.
Frequently asked questions
How do I calculate percentage change?
(New − Old) ÷ Old × 100.
Is the Percentage Calculator free?
Yes. Percentage Calculator on Tooliphy is 100% free with no signup, no watermark and no usage limits.
Is it safe to use? Are my files uploaded?
Your data is processed directly in your browser and is never uploaded to our servers, so it stays completely private.
Does it work on mobile?
Yes, the tool works on Android phones, iPhones, tablets and desktops in any modern browser.
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