Discount Calculator
Apply one or two discounts in the correct order, then optionally add tax to the discounted subtotal.
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Discount Calculator formula
Original price → first discount → additional discount → tax. Two discounts are sequential, not added together.
Worked example
A $100 item with 20% then 10% off costs $72 before tax, not $70.
How to use this calculator
- Enter the original price and first discount.
- Optionally add a second discount and tax.
- Review savings and final price.
Important assumptions and limitations
Tax is applied after both discounts. Enter the rate that applies to your purchase.
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Frequently asked questions
Are two discounts added together?
No. The second discount applies to the already discounted price.
Does savings include tax?
Savings compares the discounted subtotal with the original price before tax.