Percentage ↔ Decimal Converter
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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
Result Explanation
The result shows the equivalent value in the opposite format (percentage or decimal).
Key insight: percentages are simply decimals multiplied by 100.
How It Works
To convert a percentage to a decimal, divide by 100. To convert a decimal to a percentage, multiply by 100.
Examples
Example 1: 25% → 0.25
Example 2: 0.4 → 40%
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FAQ
How do you convert percent to decimal?
Divide by 100.
How do you convert decimal to percent?
Multiply by 100.
Why is this useful?
Most formulas use decimals instead of percentages.