ToolPilot

Percentage Calculator

Calculate percentages, increases and decreases easily.

What is X% of Y?

Calculate a percentage of a number.

Result
30
20% of 150 = 30

What percent is X of Y?

Find what percentage one number represents of another.

Result
20%
30 is 20% of 150

Percentage increase or decrease

Compare an original value with a new value.

Percentage change
25%
Increase

Add or subtract a percentage

Quickly calculate a percentage increase or decrease.

Increase
180
Decrease
120
Privacy: All calculations happen directly in your browser. No values are uploaded to our server.

Percentage Calculator

Calculate percentages, percentage change, increases and decreases in seconds. Free, fast and entirely browser-based.

How to calculate a percentage

  1. Choose the calculation. Pick the type of percentage problem you want to solve.
  2. Enter the values. Fill in the values โ€” the result updates instantly.
  3. Read the result. Get your answer with no page reloads.

Frequently asked questions

What can I calculate?

What a percentage of a number is, what percent one number is of another, percentage increase or decrease, and adding or subtracting a percentage.

Do decimals work?

Yes, decimal numbers are fully supported.

Is my data sent anywhere?

No โ€” calculations happen locally in your browser.

Is it free?

Yes, free and unlimited.