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What is 18% of 30?
18% of 30 = 5.4
30 × 18/100 = 5.4

How to calculate 18% of 30

Multiply 30 by 18 and divide by 100: 30 × 18 ÷ 100 = 5.4. Equivalent shortcut: 30 × 0.18 = 5.4.

As a discount

A 18% discount on a 30 purchase saves you 5.4, so you pay 24.6. Stacking more discounts? Use the Discount & Tax Calculator — stacked discounts multiply, they don't add.

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