What is 30% of 30?
30% of 30 = 9
30 × 30/100 = 9
How to calculate 30% of 30
Multiply 30 by 30 and divide by 100: 30 × 30 ÷ 100 = 9. Equivalent shortcut: 30 × 0.3 = 9.
As a discount
A 30% discount on a 30 purchase saves you 9, so you pay 21. Stacking more discounts? Use the Discount & Tax Calculator — stacked discounts multiply, they don't add.
Related percentages
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