What is 80% of 20?

80% of 20 = 16

Formula: 20 × 80 ÷ 100 = 16. Or work it out as 80 hundredths: 1% of 20 is 0.2, so 80% is 0.2 × 80 = 16.

• 20 − 80% = 4 (for example a 80% discount)
• 20 + 80% = 36 (for example adding 80% tax or a tip)
• 16 is 80% of 20

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

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