Discount Calculator

Calculate the final price after discount, double discounts, and sales tax.

Original Price ($)

Discount (%)

Second Discount (%, optional)

Sales Tax (%, optional)

How Discounts Work

A single discount is straightforward: multiply the original price by (1 - discount%). When stacking discounts, the second discount applies to the already-reduced price, not the original. This means a 20% + 10% discount is not the same as 30% off -- it is actually 28% off the original price.