Discount Calculator
Three discount calculations in one. Find the sale price, work out the original price from a sale, or calculate what percentage off was applied.
Making Sense of Discounts
The Simple Formula
Discount Amount = Original Price × (Discount% ÷ 100). Final Price = Original Price − Discount Amount. A 30% discount on £120 saves £36, leaving a final price of £84.
Stacked Discounts
Two separate 20% discounts don't equal 40% off. The second discount applies to the already-reduced price. 20% off £100 = £80. Then 20% off £80 = £64 — a total saving of £36, or 36%, not 40%.
Black Friday & Sales
Research shows many 'original' prices are inflated before sale events. Use price tracking tools to verify whether a sale price is genuinely reduced from a sustained normal price.
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