Expected Value Calculator: EV, Variance and SD
This decimal to percent calculator converts a decimal to a percentage by multiplying by 100 and adding the percent sign, so 0.375 becomes 37.5% and 1.25 becomes 125%. Type one number or a list separated by commas to convert several at once. Switch the direction to turn percentages back into decimals by dividing by 100, so 45% becomes 0.45. Each result also shows the equivalent fraction in lowest terms and the step used, which makes it handy for homework, discounts and test scores.
Decimal to Percent Calculator
Convert decimals to percentages, or percentages back to decimals, with the step shown.
How to use the Decimal to Percent Calculator
- Choose decimal to percent or percent to decimal.
- Type one number or several separated by commas.
- Read each answer with the step shown.
- Copy the results or download a CSV.
Formula
percent = decimal × 100 · decimal = percent ÷ 100
Features
- Decimal to percent and percent to decimal
- Converts a list at once
- Equivalent fraction in lowest terms
- No rounding errors on long decimals
- Step shown for each value
Frequently asked questions
How do you convert a decimal to a percent?
Multiply the decimal by 100 and add a percent sign. Moving the decimal point two places to the right does the same thing: 0.375 → 37.5%.
What is 0.5 as a percent?
0.5 × 100 = 50%.
How do I write 1.25 as a percent?
1.25 × 100 = 125%. Decimals larger than 1 become percents larger than 100%.
How do I convert a percent to a decimal?
Divide by 100, or move the decimal point two places to the left: 45% = 0.45 and 7.5% = 0.075.
What is 0.05 as a percent?
0.05 × 100 = 5%. A common mistake is writing 0.5%, which is 0.005.