Discount Calculator
Use the Discount Calculator to stack percent discounts, fixed coupons, quantity, and optional sales tax with a clear step-by-step breakdown.
Discounts and coupons
Applied from top to bottom. Drag the handle to change the order.
Result
Final price after discounts is $67.00.
Final price after tax
$67.00
Final price before tax
$67.00
Total savings
$33.00
Tax amount
$0.00
Effective discount
33.00%
Original total
$100.00
Learn the calculation
How it works
Percent discounts apply sequentially to the running subtotal. Fixed coupons subtract from the running subtotal, and the final before-tax price is floored at $0.
Example
Example discount calculation
Use the default values in the calculator form. Press Calculate to see the result summary, supporting values, and formula.
FAQs
Can this calculator stack multiple discounts?+
Yes. Percent discounts apply sequentially by default, and fixed dollar coupons subtract from the running subtotal.
Can it include sales tax?+
Yes. Enter an optional sales tax rate and choose whether tax applies before or after discounts.
Last updated: 2026-05-24
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