Calculator
Percentage Calculator
Compute percentage, percent-of, increase, and decrease fast.
Choose mode
Pick the calculation type.
Inputs
Enter values for the selected mode.
Frequently Asked Questions
Is this percentage calculator free to use?
Yes! This percentage calculator is 100% free with no sign-up or registration required. Use it unlimited times for all your percentage calculations.
How do I calculate X% of Y?
Select "Calculate X% of Y" from the dropdown, enter the percentage in the first field and the value in the second field, then click Calculate. For example, 20% of 150 = 30.
What types of percentage calculations can I perform?
This tool supports four calculation types: Calculate X% of Y (e.g., 20% of 100), X is what % of Y (e.g., 20 is what % of 100), Y increased by X% (e.g., 100 increased by 20%), and Y decreased by X% (e.g., 100 decreased by 20%).
How accurate is the percentage calculator?
The calculator provides results with 2 decimal places precision, which is accurate for most practical applications including financial calculations, discounts, and statistical analysis.
Can I use this for calculating discounts and tax?
Absolutely! Use the "Y decreased by X%" option for calculating discounted prices, and "Y increased by X%" for adding tax or markup to original prices.