Find the sale price and savings for any discount — including stacked double discounts.
Find the sale price and savings for any discount — including stacked double discounts.
Enter values above and click Calculate — results will appear here with the formula explained.
A percentage discount scales the price down by multiplying it by (1 − discount/100). When two discounts stack — say 25% off, then an extra 10% at checkout — they apply one after another rather than adding together.
That sequencing matters: 25% then 10% gives a combined factor of 0.75 × 0.90 = 0.675, an effective 32.5% discount, not 35%. The calculator shows the true effective rate whenever stacked discounts apply, which is useful for judging 'extra off' promotions.
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Discount Calculator computes find the sale price and savings for any discount — including stacked double discounts. Formula: Sale price = Price × (1 − D₁/100) × (1 − D₂/100). Example: An $80 jacket at 25% off sells for $60.
A percentage discount scales the price down by multiplying it by (1 − discount/100). When two discounts stack — say 25% off, then an extra 10% at checkout — they apply one after another rather than adding together.
That sequencing matters: 25% then 10% gives a combined factor of 0.75 × 0.90 = 0.675, an effective 32.5% discount, not 35%. The calculator shows the true effective rate whenever stacked discounts apply, which is useful for judging 'extra off' promotions.
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An $80 jacket at 25% off sells for $60. With an extra members-only 10% off, the register applies 0.9 × $60 = $54 — an effective 32.5% total discount, saving $26.
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