Discount Calculator
Find the sale price and how much you save after one or more stacked percentage discounts.
Example
A $120 jacket with a 25% discount: you pay $120 × (1 − 0.25) = $90.00, saving $30.00. Add a stacked 10% coupon and the second discount comes off the $90: $90 × 0.90 = $81.00. Total saved is $39.00, an effective 32.5% off (not 35%).
How it works
Enter the original price and a discount percentage to instantly see the final price and amount saved. Switch to Stacked mode to apply a second discount on top of the first.
Good to know
This Discount Calculator turns a marked-down price into hard numbers: enter an original price and a percentage off, and it shows the final price, the dollar amount saved, and the total percentage off. It is built for everyday shoppers comparing sale tags, coupon hunters checking whether a deal is as good as it looks, and small sellers or resellers who need to set or sanity-check markdowns quickly.
Reach for it when a price tag does the math for you but you want to verify it, when you are deciding between two competing offers, or when a store advertises an extra coupon "on top of" an existing sale. That last case is exactly where the Stacked mode matters: it applies the second discount to the already-reduced price, which is why two stacked discounts almost always save you less than simply adding the two percentages together.
Read the output from three angles. The big "Final price" is what you would actually pay before tax; "You save" is the cash difference from the original; and "Total off" is the combined effective discount as a single percentage, which is the number to compare against a competitor's flat "X% off" claim. The two bars give a quick visual sense of how much of the original price you keep versus how much is shaved off.
- Tip: the result is pre-tax, so add your local sales tax to the Final price to know the real checkout total, and remember the "Total off" percentage will be lower than the sum of the two stacked rates.
Frequently asked questions
Why isn't a 25% + 10% stacked discount the same as 35% off?
Stacked discounts apply one after another, so the second discount is taken off the already-reduced price. 25% then 10% on a $120 item gives $81.00, an effective 32.5% off rather than the 35% you'd get if both came off the original price.
Does this calculator add sales tax?
No. It shows the pre-tax sale price and amount saved only. Any sales tax would be applied on top of the final price shown here, based on your local tax rate.
Is my data uploaded anywhere?
No — this calculator runs entirely in your browser; nothing is uploaded.
Is this financial advice?
No. These are educational estimates — consult a qualified financial professional before making decisions.
People also ask
How do you calculate the price after a percentage discount?
Multiply the original price by one minus the discount as a decimal. For example, 20% off a $50 item is $50 x (1 - 0.20) = $40, a saving of $10.
What does 30% off mean in dollars?
It means you subtract 30% of the original price. On a $200 item, 30% off removes $60, leaving a final price of $140.
How do I combine two coupons or stacked discounts correctly?
Apply them in sequence rather than adding the percentages. Take the first discount off the original price, then take the second discount off that reduced amount, since each coupon works on the running price.
Why do two stacked discounts save less than adding the percentages?
Because the second discount is calculated on a smaller, already-discounted price, so it removes fewer dollars. Adding the percentages overstates the saving because it assumes both come off the full original price.
How do I find the effective discount of a stacked deal?
Compute the final price, divide the total amount saved by the original price, then multiply by 100. The result is the single equivalent percentage off for the combined deal.
Does the order of stacked discounts change the final price?
No. Multiplying the price by both discount factors gives the same result regardless of which discount is applied first, because multiplication is commutative.
How do I work backward from a sale price to the original price?
Divide the sale price by one minus the discount rate as a decimal. For example, a $75 item at 25% off came from $75 / (1 - 0.25) = $100 originally.
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