Discount Calculator

Final price after a discount and optional sales tax.

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You save$20.00
Price after discount$80.00
Tax$0.00
Final price$80.00

What this does

Discount Calculator finds the sale price after a percentage discount, shows how much you save, and adds optional sales tax to get the final at-the-register price.

When to use it

  • Working out the sale price of an item on Black Friday or Boxing Day
  • Stacking a discount with tax to see the real total
  • Comparing two sale prices when the percentage off is different
  • Verifying a coupon was applied correctly at checkout

Frequently asked

Does it support multiple stacked discounts?

Not yet — one discount + optional tax. Apply twice if you have multi-stage discounts.

Is tax applied before or after the discount?

After — that's how most retailers calculate it. Sales tax is on the discounted price, not the original.