Math & Calculators
Fast, accurate calculators for percentages, averages, and general mathematics.
11 tools
free
Math
Percentage Calculator
Find percentages and percent-of values quickly.
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Math
What Percent Is X of Y
Find what percentage one number is of another.
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Math
Percent of a Number
Calculate X percent of a value.
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Math
Percentage Change Calculator
Measure increase or decrease between two values.
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Math
Percentage Increase Calculator
Increase a number by a given percent.
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Math
Percentage Decrease Calculator
Decrease a number by a given percent.
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Math
Markup Percentage Calculator
Compute markup from cost to selling price.
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Math
Margin Percentage Calculator
Compute margin from cost and selling price.
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Math
Tip Percentage Calculator
Calculate tip amounts for common percentages.
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Math
Discount Breakdown Calculator
See savings and payable amount after discount.
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Math
Reverse Percentage Calculator
Find the original amount before a percentage change.
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