What is 8% of 40?

8% of 40 = 3.2

Formula: 40 × 8 ÷ 100 = 3.2. Or work it out as 8 hundredths: 1% of 40 is 0.4, so 8% is 0.4 × 8 = 3.2.

• 40 − 8% = 36.8 (for example a 8% discount)
• 40 + 8% = 43.2 (for example adding 8% tax or a tip)
• 3.2 is 8% of 40

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

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