What can I calculate with this percentage calculator?

You can calculate what X percent of Y is, what percent X is of Y, percentage increase or decrease, discounted sale prices, and sales tax or VAT totals.

Can I use this for shopping discounts?

Yes. Use the discount calculator to enter an original price and discount percentage, then see the discount amount and final sale price.

Is this financial advice?

No. This is a basic math utility for everyday percentage calculations. It does not provide financial, tax, or legal advice.

Free calculator

Percentage and Discount Calculator

Solve everyday percentage math for shopping, business, school, pricing, discounts, tax, and quick finance basics.

What is X% of Y?

Percent Of number

Enter values to calculate the result.

X is what percent of Y?

Number Of number

Enter values to calculate the percentage.

Percentage increase/decrease

From To

Enter values to calculate the change.

Discount price calculator

Original price Discount percent

Enter values to calculate the sale price.

Sales tax / VAT add-on

Price before tax Tax or VAT percent

Enter values to calculate total price.

Percentage help

Percentage Calculator FAQ

How do I calculate X% of Y?

Divide the percent by 100, then multiply it by the number. For example, 15% of 200 is 0.15 x 200 = 30.

How do I calculate a discount price?

Multiply the original price by the discount percentage to get the discount amount, then subtract it from the original price.

Can this calculate VAT or sales tax?

Yes. Enter the price before tax and the tax/VAT percentage to estimate the tax amount and final total.