This calculator converts percentages into decimals and decimals into percentages instantly. This is essential for finance calculations, spreadsheets, probability, and mathematical formulas.
Most financial formulas use decimals rather than percentages, so understanding how to convert between the two is critical when working with interest rates, growth rates, and data analysis.
Rule: Percent → divide by 100 | Decimal → multiply by 100
The result shows the equivalent value in the opposite format (percentage or decimal).
To convert a percentage to a decimal, divide by 100. To convert a decimal to a percentage, multiply by 100.
Example 1: 25% → 0.25
Example 2: 0.4 → 40%
Divide by 100.
Multiply by 100.
Most formulas use decimals instead of percentages.