Double Discount Calculator

Your details

The starting price before any discount is applied.
The first percentage off the original price (e.g. a sale markdown).
%
The second percentage off, applied to the price after the first discount (e.g. a coupon on top).
%
Turn this on to add a sales-tax rate to the final discounted price.
Currency
Final priceGood deal
$72.00

Amount you pay after both discounts (and tax if enabled)

Price after 1st discount$80.00
Total savings$28.00
Effective discount28%
Total savings$28.00
Final price$72.00

Effective combined discount: 28.00% (not 30.0%).

  • Adding 20% and 10% naively gives 30.0%, but the true combined rate is 28.00% because the second discount applies to the already-reduced price.
  • You save 28.00 off an original price of 100.00.
  • The sequential stacking "costs" you 2.00 percentage points compared with a single flat 30.0% discount.

Next stepLook for an additional coupon or loyalty discount to push the effective rate higher.

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