What this tool does
Convert decimal numbers to percentages instantly. Simple decimal to percent conversion tool. You fill in these fields: Decimal number. It shows percentage.
Inputs
- Decimal number: A number.
How to use
- Enter the decimal number.
- Read the result: percentage. It appears once every required field has a valid value.
Worked examples
Example 1. Inputs:
- Decimal number: 0.75
Results:
- Percentage: 75%
How this is worked out: Percent = decimal x 100 = 0.75 x 100 = 75. Moving the decimal point two places right gives 75%.
Example 2. Inputs:
- Decimal number: 1.5
Results:
- Percentage: 150%
How this is worked out: Percent = 1.5 x 100 = 150. A decimal above 1 gives a percent above 100.
Example 3. Inputs:
- Decimal number: -0.5
Results:
- Percentage: -50%
How this is worked out: Percent = -0.5 x 100 = -50. A negative decimal gives a negative percent.
Example 4. Inputs:
- Decimal number: 0.07
Results:
- Percentage: 7%
How this is worked out: Percent = 0.07 x 100 = 7 (0.07 = 7/100, so 7/100 x 100 = 7).
Where this comes from
A decimal as a percent. The decimal is taken as a percent of 1, which multiplies it by 100.
What percent one number is of another. The part is multiplied by 100 and divided by the whole. The whole cannot be 0. Source: Arithmetic: a percent is a number of parts in one hundred, so part / whole x 100.
Limitations
- Accepts plain numbers only. Commas and text are not accepted.
- The tool converts the number you enter. It does not say what the percentage refers to.
FAQs
- Q: How do I turn a decimal into a percent?
- A: Multiply by 100, which moves the decimal point two places to the right. For example, 0.75 becomes 75%.
- Q: What happens with a decimal greater than 1?
- A: It converts the same way. For example, 1.5 becomes 150%, which is more than the whole.
- Q: Does the tool accept negative decimals?
- A: Yes. For example, -0.5 becomes -50%.
- Q: Can I enter a fraction such as 3/4?
- A: No. Enter the decimal form instead, such as 0.75, which gives 75%.
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