Math category
Math calculators
Percentages, fractions, ratios — the everyday number-crunching toolkit.
math
PopularBasic Calculator
Add, subtract, multiply, divide.
math
Scientific Calculator
Trig, logs, powers — the full toolkit.
math
PopularPercentage Calculator
What's X% of Y, instantly.
math
Percent Change Calculator
Increase or decrease, in percent.
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Fraction Calculator
Add, subtract, multiply, divide fractions.
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Average Calculator
Mean, median, sum — paste any list.
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Ratio Calculator
Solve and simplify ratios in seconds.
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Square Root Calculator
√ for any number, plus powers.
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Random Number Generator
Pick a random number in any range.
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Rounding Calculator
Round to any decimal or step.