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Math Calculators
All math calculators, free and private.
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7 calculators
Percentage Calculator
Find a percentage of a number, percentage change and percentage difference in one tool.
Use toolScientific Calculator
Full scientific calculator: trig, logs, powers, roots, constants and memory.
Use toolFraction Calculator
Operate on fractions with simplified, mixed and decimal results.
Use toolMath Calculator
Evaluate arithmetic and scientific expressions in one line.
Use toolRandom Number Generator
Generate random numbers between any two values, with options.
Use toolRatio Calculator
Simplify ratios and solve a:b = c:x in one step.
Use toolProportion Calculator
Solve and verify proportions a/b = c/d with cross products.
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Every calculation on this site runs in your browser using vanilla JavaScript. Nothing is uploaded, stored or tracked.
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- Works offline once loaded