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Discount Calculator : Sale Price, Extra Coupons & Total Savings

Instantly calculate your final checkout price during sales and shopping. Supports original prices, primary discounts, stacked promo codes, and local sales tax.

Interactive Calculator

100% Client-Side Engine
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Final Checkout Price
$90.72
You save $36 total
Original Price
$120
Total Discount
-$36
Price Pre-Tax
$84
Sales Tax Amount
+$6.72

Step-by-Step Examples

30% Off Sale on a $120 Jacket with 8% Tax

Shopping with discount and tax.

Inputs: Original Price: $120, Discount: 30%, Sales Tax: 8%
Result: Final Price: $90.72 (Total Savings: $36.00)

Discount = $36.00 -> Price = $84.00 -> Tax on $84 = $6.72 -> Final = $90.72.

How to Use This Tool

  1. Enter the original retail price.
  2. Enter the primary discount percentage (e.g. 20%).
  3. Optionally enter an additional stacked coupon percentage or sales tax.
  4. Click Calculate to see the final price and total savings.

Frequently Asked Questions

When a store offers 20% off plus an extra 10% coupon, the 10% is applied to the already discounted price, not the original sticker price.