What is 40% of 20?

40% of 20 = 8

Formula: 20 × 40 ÷ 100 = 8. Or work it out as 40 hundredths: 1% of 20 is 0.2, so 40% is 0.2 × 40 = 8.

• 20 − 40% = 12 (for example a 40% discount)
• 20 + 40% = 28 (for example adding 40% tax or a tip)
• 8 is 40% of 20

Any other numbers? Use the percentage calculator, the discount calculator or the percent change calculator.

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