Calculate percentages easily. What is X% of Y? X is what % of Y? Percentage increase and decrease. This free online tool requires no registration and no software installation. Simply open it in your browser and start using it right away. Results are processed quickly and securely, with all data handled directly in your device.
Percentage Calculator
Calculate percentages easily. What is X% of Y? X is what % of Y? Percentage increase and decrease.
How to use Percentage Calculator
Choose Mode
Select what type of percentage calculation you need
Enter Values
Input the two numbers required for your calculation
Get Result
Click calculate to see the result instantly
When to use?
Shopping discounts
Calculate sale prices, tax amounts, and tip percentages
Deep Dive
Accuracy
All calculations use standard floating-point arithmetic. Results are rounded to 2 decimal places.
Frequently Asked Questions
A: Yes. Select the percentage increase/decrease mode and enter your original and new values.
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