Calculate percentages, solve proportions, and perform everyday math operations with our free online math tools. Fast, accurate, and completely browser-based.
1 free online tools available
Calculate X% of Y, find what percentage X is of Y, or determine the whole when given a percentage.
Results update in real-time as you type. No submit button needed.
Switch between different percentage calculation modes to solve any percentage problem.
Easily copy calculated results to your clipboard for use elsewhere.
Calculate sale prices, discount amounts, and final costs including tax percentages.
Compute interest rates, investment returns, and budget allocations using percentage calculations.
Calculate test scores as percentages, determine grade contributions, and compute weighted averages.
