Discount & Sales Tax Calculator

Compute item markdowns, stacked promotional coupons, sales taxes, and exact total checkout savings.

Price & Discount Terms

$Currency:
$
Final Price to Pay
$109.35
Total savings: $48.75 (32.5% off)
You Save
$48.75
32.5% overall discount
Original Total
$150.00
Before markdowns
Pre-Tax Subtotal
$101.25
After discounts
Sales Tax (8%)
$8.10
Government tax amount
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Smart Shopping & Commercial Discount Calculation

Calculating discounts quickly allows shoppers and purchasing managers to verify sale pricing at checkout and prevents misleading promotional marketing.

Single vs. Stacked Discount Formulas

Single Discount: Final = Original × (1 - Discount / 100)

Stacked Coupon: Final = Original × (1 - Discount1 / 100) × (1 - Discount2 / 100)

Frequently Asked Questions

When an extra discount coupon is applied on top of an already discounted item (for example, 20% off plus an extra 10% coupon), the second discount applies to the already discounted price, not the original MSRP. A $100 item with 20% off becomes $80; 10% off $80 is $8, making the final price $72 (an effective 28% total discount, not 30%).
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