What is 4% of 30?
4% of 30 = 1.2
30 × 4/100 = 1.2
How to calculate 4% of 30
Multiply 30 by 4 and divide by 100: 30 × 4 ÷ 100 = 1.2. Equivalent shortcut: 30 × 0.04 = 1.2.
As a discount
A 4% discount on a 30 purchase saves you 1.2, so you pay 28.8. Stacking more discounts? Use the Discount & Tax Calculator — stacked discounts multiply, they don't add.
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