Discount Calculator

Calculate the final price after discount, including optional tax.

Original Price ($)

Discount %

Tax % (optional)

Use Cases

How do I calculate a 20% discount?

Multiply the price by 0.20 to get the discount amount, then subtract from the original price.

Is discount calculated before or after tax?

Typically discount is applied before tax, but this can vary by store policy.

How do I calculate a percentage discount in reverse?

Divide the sale price by the original price, subtract the result from 1, and multiply by 100 to find the discount percentage that was applied.

What is a good discount strategy for retail clearance?

Start with 20 to 30 percent off, then increase to 50 to 75 percent over time, marking down every 2 to 3 weeks to clear inventory efficiently.