Percentage Calculator - Free Online | FunToolX
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What is X% of Y
X is what % of Y
% change from X to Y
About this tool
Percentage Calculator is a free online math tool. Various percentage calculation tools. Solve calculations and learn with ease. It runs entirely in your browser — no download or sign-up needed.
Various percentage calculation models are provided: Find A what percentage of B is, find A's B% is, and what it will be after A increases/decreases B%. Enter the number to get the result.
All calculations are done on the browser side without network requests. Support decimal and integer input, and keep two decimal places for results. Calculation history is traceable.
Suitable for daily shopping discount calculation, data analysis, financial calculation and other scenarios. Simple and intuitive, no need to memorize formulas.
Multi-functional percentage calculator supports common calculations such as percentage, proportion, increase and decrease percentage.