What is 50% of 80?

50% of 80 = 40

Formula: 80 × 50 ÷ 100 = 40. Or work it out as 50 hundredths: 1% of 80 is 0.8, so 50% is 0.8 × 50 = 40.

• 80 − 50% = 40 (for example a 50% discount)
• 80 + 50% = 120 (for example adding 50% tax or a tip)
• 40 is 50% of 80

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

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