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How do I calculate the price after a discount?

Short answer

Multiply the original price by (1 minus the discount as a decimal). An 80 dollar item at 25 percent off is 80 x 0.75 = 60 dollars. A free discount calculator shows the sale price and the amount saved instantly in your browser.

The one-step method

Instead of computing the discount and subtracting, go straight to what you pay: 25 percent off means you pay 75 percent, so multiply by 0.75. A 120 dollar jacket at 40 percent off is 120 x 0.60 = 72 dollars, and the saving is the remaining 48. One multiplication, no subtraction mistakes.

Stacked discounts do not simply add

A 20 percent discount followed by an extra 10 percent off is not 30 percent off. The second discount applies to the already reduced price: 0.80 x 0.90 = 0.72, so you pay 72 percent, which is 28 percent off in total. Retailers rely on shoppers adding the numbers; the calculator keeps you honest.

Frequently asked questions

What is 30 percent off 49.99?

49.99 x 0.70 = 34.99 to the nearest cent.

Do two discounts add together?

No. 20 percent off then an extra 10 percent off multiplies to 0.80 x 0.90 = 0.72, which is 28 percent off in total, not 30.

How do I find the original price from a sale price?

Divide by (1 minus the discount). If something costs 60 after 25 percent off, the original was 60 / 0.75 = 80.

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