Calculate percentages, marks, and percentage change instantly.
Adjust settings to match exactly what you need
Files are never uploaded to a server — processed in your browser
No limits, no payment, ever
Fill in the required numbers in the calculator.
The result updates as soon as you click Calculate.
This calculator is free and has no usage limit.
Percentage Calculator handles the three most common percentage calculations students and professionals need — all in one tool.
Yes, completely free with no sign-up required and no limit on how many times you can use it.
No. All calculations happen instantly in your browser — nothing is sent to any server.