Money & Salary
Discount, Promo Code & Sales Tax Calculator
Calculate exact savings and final checkout price with percentage discounts, stacked promo codes, and sales tax.
What is the final price of a $120 item at 25% off with 8% sales tax?How do stacked coupons (e.g. 20% off + extra 15% coupon) actually calculate?How much total money do I save on this purchase?
Instant in-browser · no uploads
Discount & Tax Parameters
$
25% OFF
0% EXTRA OFF
8%
Final Out-of-Pocket Price
$97.20
You save $30.00 (25.0% total discount).
Discounted Subtotal
$90.00
Sales Tax
+$7.20
Total Savings
-$30.00
How this calculation works
Multiplies base price through sequential promotional discounts before applying local municipal sales tax.
Formula
Final Price = [Original Price × (1 - Discount1) × (1 - Discount2)] × (1 + Sales Tax)
Frequently asked questions
Stacked discounts are applied sequentially. An extra 20% applies to the already-discounted 80% price (saving 16% of original), yielding a total 36% discount, not 40%.
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Calculations run entirely in your browser. Your financial data is never sent to a server.
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