0% of 0 = 0 0 increased by 0% = 0 0 decreased by 0% = 0 0 is 0% of — (percentage cannot be 0 for this line)
Percentage Calculator
Enter a value and a percentage to instantly get the percentage amount, the increased value and the decreased value.
Updates instantly as you type
01 / Fast steps
- Enter a base value.
- Enter a percentage.
- Read every common result instantly, updated as you type.
02 / Best for
- Working out a discount or a markup while shopping or pricing a product.
- Calculating a tip or a commission.
- Checking how much a value grows or shrinks by a given percentage.
03 / Keep in mind
- Rounds results to a reasonable number of decimal places for readability.
Tool connections
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faq
Questions, answered.
01How is "percentage increase" calculated?
It adds the percentage amount to the original value: value + (value × percentage ÷ 100).
02Can I use negative numbers?
Yes, both the value and the percentage accept negative numbers.
03Is Percentage Calculator free to use?
Yes, Percentage Calculator is completely free, with no sign-up and no usage limits. It runs entirely in your browser, so your data never leaves your device.