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Tiny utilities
Percentages, discounts, increases and changes.

Percentage Calculator

Calculate common percentages: what a percentage of a number is, what percentage one value represents, discounts, increases and percentage changes.

Simple math tool. It does not replace financial or professional advice.

Choose a calculation

Select the percentage type, enter the numbers and get the result instantly.

How to use the percentage calculator

This calculator helps solve common percentage operations without writing formulas manually. You can calculate a percentage of a value, find what percentage one number represents of another, add or subtract percentages and measure changes between two values.

It is useful for discounts, increases, simple comparisons, price changes, quantity changes or any everyday situation where a percentage appears. Calculations run directly in your browser.

Available calculation types

  • X% of Y: calculates how much a percentage represents when applied to a number.
  • X is what % of Y: shows what percentage one value represents of another.
  • Add percentage: adds a percentage to a base number.
  • Subtract / discount: subtracts a percentage from a base number.
  • Percentage change: calculates how much a value increased or decreased between two moments.
  • Percentage difference: compares two values using their average as reference.

Important

This is a math and informational tool. It can help you check numbers, but it should not be used as financial, accounting, tax or professional advice.

Frequently asked questions

What can I calculate with this percentage calculator?

You can calculate what a percentage of a number is, what percentage one value represents of another, increases, discounts, decreases and percentage changes.

Can it calculate discounts?

Yes. You can enter the original price and the discount percentage to get the final price.

Are calculations saved?

No. Calculations run directly in your browser and you do not need to create an account.

Is this a financial tool?

No. It is a simple math calculator. It can help with percentages, but it does not replace financial, accounting or professional advice.