Find the real price of a deal before you get to the register. Enter the original price and the percent off to see the sale price and what you save, then layer on an extra clearance discount or a dollar-off coupon — the calculator applies them in order and shows every step, so "50% off plus an extra 20%" comes out to the 60% it really is. Add your sales tax rate for the out-the-door total, or flip to reverse mode to find the percent off between two prices.
For tax on its own, the sales tax calculator adds or reverses tax with state and local rates. The percentage calculator covers any other percent question, and the tip calculator handles the bill when you eat out.
Frequently asked questions
How do I calculate a percent-off discount?
Multiply the original price by the discount as a decimal to get the savings, then subtract: 30% off $80 is $80 × 0.30 = $24 saved, for a sale price of $56. A faster route is to multiply by what is left — 70% of $80 is $56. The calculator does this instantly and keeps full precision until the final cent, so odd prices like $19.99 at 15% off come out right ($16.99). Tap one of the preset chips for common sale percentages or type any value, including decimals like 12.5%.
Why isn't 50% off plus an extra 20% off the same as 70% off?
Because the second discount is taken from the already-reduced price, not the original. On a $100 item, 50% off brings it to $50, and an extra 20% off $50 saves $10 more, for a final $40 — a 60% total discount, not 70%. Stacked percentage discounts multiply: you pay 0.5 × 0.8 = 0.4 of the price. Stores advertise "extra 20% off" clearance this way, and the calculator shows each step so you can see where the money goes. Three or more stacked discounts work the same way, one after another.
Does it matter whether a dollar-off coupon comes before or after the percent off?
Yes. A $10 coupon applied after 20% off a $100 item gives $70; applied before, the 20% is taken from $90 and you pay $72. Retailers set the order in their terms, and most apply percent discounts first, then fixed coupons, which is the default here. Switch the order to match your receipt. If a coupon is larger than the remaining price, the price stops at $0 rather than going negative. Store terms often also say coupons cannot be combined, so check the fine print.
Is sales tax charged before or after the discount?
For store discounts and store coupons, US states generally charge sales tax on the reduced price you actually pay, which is how the calculator handles it. Manufacturer coupons are different in many states: the manufacturer reimburses the store, so tax may be charged on the pre-coupon price. Rules vary by state, so check a receipt if the cents matter. For tax on its own, use the sales tax calculator linked below. Enter 0 or leave the tax box blank to see the pre-tax sale price only.
How do I find the original price or the percent off?
Use the other two modes. "Find % off" takes the original price and the price you paid and returns the discount: $80 down to $60 is 25% off. "Find original price" works backwards from a sale price: if $60 is 25% off, the original was $60 ÷ 0.75 = $80. A common mistake is adding the percent back ($60 + 25% = $75), which is wrong because the discount was taken from the larger original price. Checking the original is a good way to confirm an advertised discount is real.