Percent Converters
Convert between percentages, decimals, fractions, ratios, and common percentage-based units with simple, free online tools.
Percentage conversion tools
Choose a converter based on the number format you have and the format you need. Each tool shows the converted value and the basic conversion method.
Decimal to Percent
Convert a decimal value into a percentage.
Percent to Decimal
Turn a percentage into its decimal form.
Fraction to Percent
Convert a fraction into a percentage.
Percent to Fraction
Express a percentage as a simplified fraction.
Basis Points to Percent
Convert financial basis points to percentages.
Ratio to Percent
Convert a ratio or part-to-whole value into a percent.
Common percentage conversions
A percentage represents a value out of 100. For example, 0.25 is 25%, 1/2 is 50%, and 75% can be written as 0.75.
Quick reference: To convert a decimal to a percentage,
multiply by 100. To convert a percentage to a decimal, divide by 100.
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