What is 50% of 30?

50% of 30 = 15

How to work it out

1. Convert the percentage to a decimal: 50 ÷ 100 = 0.5
2. Multiply by the number: 0.5 × 30 = 15

30 increased by 50% is 45; decreased by 50% it is 15 (useful for discounts).

Calculate any percentage

FAQ

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