Decimal to Percent Converter
Convert Decimal () to Percent (%) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
How to convert Decimal to Percent
Multiply the decimal number by 100 to get the percentage.
p% = d × 100
Multiply the decimal by 100:
Example: Convert 0.5 to percent:
0.5 × 100 = 50%
What is a Decimal?
The Decimal () is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
What is a Percent?
The Percent (%) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
This page converts number systems from Decimal into Percent. One equals 100 %.
Decimal to Percent conversion table
Common values and the matching % result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Decimal () | Percent (%) |
|---|---|
| 0 | 0 % |
| 0.01 | 1 % |
| 0.1 | 10 % |
| 0.2 | 20 % |
| 0.25 | 25 % |
| 0.5 | 50 % |
| 0.75 | 75 % |
| 1 | 100 % |
How this calculator works
The form on this page is a Decimal-to-Percent converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the % result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many % are in 1 ?
1 = 100 %.
How do I convert Decimal to Percent?
Multiply the decimal by 100:
Is this to % converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.