What is 4% of 20?

4% of 20 = 0.8

Formula: 20 × 4 ÷ 100 = 0.8. Or work it out as 4 hundredths: 1% of 20 is 0.2, so 4% is 0.2 × 4 = 0.8.

• 20 − 4% = 19.2 (for example a 4% discount)
• 20 + 4% = 20.8 (for example adding 4% tax or a tip)
• 0.8 is 4% of 20

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

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