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Discount & Markup Calculator
Calculate a sale price from a discount percentage, or a selling price from a markup percentage.
How this is calculated
Discount: sale price = original price × (1 − discount ÷ 100). Markup: selling price = cost × (1 + markup ÷ 100).
Example: an $80.00 item with a 25% discount drops to a $60.00 sale price, saving $20.00. A $60.00 cost with a 25% markup sells for $75.00.
Markup is figured as a percentage of cost. Margin is the same profit measured against the selling price instead, which is why a 25% markup is only a 20% margin.
Two discounts don't add together — each one applies to the price after the previous discount, not the original price. Example: $100.00 with 25% off, then an extra 10% off, comes to $67.50 (75.00, then 90% of that), not the $65.00 you'd get by adding the percentages.
To convert between the two: markup = margin ÷ (1 − margin), and margin = markup ÷ (1 + markup), as decimals. A 20% margin is a 25% markup, and vice versa — the same pair of numbers as the example above.