Fractions, Percentages & Decimals

Convert between fractional, decimal, and percentage forms.

Fraction

Decimal

Percent

Common Percentage-tools

Find what percent X is of Y. Example: 20 is 40% of 50.

Find the actual value from a percentage of a total. Example: 30% of 200 = 60.

Find the whole when you know a part and its percentage. Example: 25 is 20% of 125.

Calculate how much a value has increased from its original amount. Example: 100 → 120 = 20% increase.

Calculate how much a value has decreased from its original amount. Example: 80 → 60 = 25% decrease.

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