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Number + percent:

Number − percent:

Percent of number:

Simple percent calculator — fast and clear

This calculator quickly performs typical percent operations: add percent to a number, subtract percent, or find what percent of a number is.

All calculations are done in the browser without sending data to the server. Enter the number and percent, then click "Calculate".

Useful for computing discounts, markups, taxes and quick budget checks.

How to find percent of a number

To find what percent of a number is, multiply the base number by the percent and divide the result by 100.

For example, 20% of 500 equals 100. The calculator does this automatically — just enter the number and the percent.

Формула: Number × Percent / 100

How to add or subtract percent

Adding or subtracting percent is commonly used for discounts, markups, taxes and fees.

Formulas:

  • Number × (1 + Percent / 100)
  • Number × (1 − Percent / 100)

For example, subtracting 15% from 2000 results in 1700.

How to determine percent between numbers

To know how many percent one number is of another, divide the first by the second and multiply by 100.

Formula:

Формула: (Number A / Number B) × 100

For example, 300 is 25% of 1200.

Percent calculation examples

  • 15% discount on 2000 — save 300, final price 1700
  • 20% tax on 5000 — 1000
  • 10% raise on salary 60000 — total 66000
  • Price growth from 800 to 1000 — increase by 25%

How to use

  • 1

    Enter number

    Type the base number in the "Number" field. Decimals are supported.

  • 2

    Enter percent

    Enter the percent value in the "Percent (%)" field, for example 15 for 15%.

  • 3

    Click "Calculate"

    View results: number with percent, number without percent, and percent of the number.

FAQ