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What is 18% of 40?
18% of 40 = 7.2
40 × 18/100 = 7.2

How to calculate 18% of 40

Multiply 40 by 18 and divide by 100: 40 × 18 ÷ 100 = 7.2. Equivalent shortcut: 40 × 0.18 = 7.2.

As a discount

A 18% discount on a 40 purchase saves you 7.2, so you pay 32.8. Stacking more discounts? Use the Discount & Tax Calculator — stacked discounts multiply, they don't add.

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