Decimal to Percent Converter
Use our decimal to percent converter to convert decimal to percent instantly. Includes the percent decimal conversion formula, examples, a decimal percent fraction chart, and quick tips for changing decimal to percent in Excel.
What is Decimal to Percent Conversion?
Decimal to percent conversion changes a decimal value into a percentage. This is useful for grades, statistics, discounts, probability, finance, and everyday calculations.
If you want to change decimal to a percent, the rule is simple: multiply the decimal by 100 and add the percent sign. That’s the core percent decimal conversion idea.
People also search decimal to percent excel or change decimal to percent in excel. Excel can convert decimals to percentages either by formatting cells as Percentage or by multiplying by 100 depending on what your data represents.
Decimal to Percent Formula
To convert a decimal to a percent, multiply by 100. For the reverse conversion (percent to decimal), divide by 100.
To convert a decimal to a percent you multiply by 100.
Use this for reverse percent decimal conversion.
So 0.42 as a percent is 42%.
Small decimals become small percentages.
Decimal percent fraction chart
Quick reference values showing decimal to percent conversions (and common fractions).
| Decimal | Percent |
|---|---|
| 0.01 | 1% |
| 0.05 | 5% |
| 0.1 | 10% |
| 0.125 | 12.5% |
| 0.2 | 20% |
| 0.25 | 25% |
| 0.3333 | 33.33% |
| 0.5 | 50% |
| 0.75 | 75% |
| 1 | 100% |
How to Convert Decimal to Percent
- 1
Enter your decimal value.
- 2
Multiply the decimal by 100.
- 3
Add the percent sign (%) to the result.
- 4
For percent to decimal conversion, divide the percent by 100.
Frequently Asked Questions
Multiply the decimal by 100 and add %. Example: 0.3 → 30%.
Multiply by 100 (move the decimal point two places to the right) and add the percent sign.
It’s converting between decimals and percents. Decimal → percent: ×100. Percent → decimal: ÷100.
If your value is already a decimal like 0.25, select the cell and format it as Percentage (Home → Number → %). It will display as 25%. If your value is 25 and you want it to mean 25%, divide by 100 first or enter 0.25.
Formatting as Percentage displays 0.25 as 25% automatically. Multiplying by 100 changes the underlying value (0.25 becomes 25).
Yes—enter a decimal and the tool outputs the percent instantly.