Percentage Calculator
Four calculators in one — pick a mode and type the numbers.
Results update as you type. Use it for discounts, tips, tax, grades and growth.
Free online percentage calculator
The Ajenza Percentage Calculator handles the four most common percentage questions in your browser. Work out what X% of Y is (for discounts, tips and tax), find what percentage one number is of another (scores and shares), calculate the percentage increase or decrease between two numbers (growth and change), and add or subtract a percentage from a value. Results update instantly as you type, everything is calculated locally, and nothing is uploaded.
Is it free?
Yes — completely free, with no sign-up, download or watermark.
What can it calculate?
X% of Y, X as a percent of Y, percentage change between two numbers, and adding or subtracting a percentage.
Do I need to install anything?
No. Everything runs in your browser.
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