Free online utility · Gentooly
Calculate percentages quickly
Work out a percentage of a number, a percentage increase or decrease, or what percent one number is of another.
Use the interactive tool to complete your task. Core utilities are free to use. AI Studio, our separate AI product, is coming soon.
Use Percentage Calculator →How to use this tool
- Open the Percentage Calculator.
- Enter your numbers.
- Read the result.
Common questions
How do I calculate a percentage increase?
Subtract the old value from the new value, divide by the old value and multiply by 100.
What is 20% of 150?
Multiply 150 by 0.20 to get 30.
Is it free?
Yes.