What is 5% of 40?

5% of 40 = 2

Formula: 40 × 5 ÷ 100 = 2. Or work it out as 5 hundredths: 1% of 40 is 0.4, so 5% is 0.4 × 5 = 2.

• 40 − 5% = 38 (for example a 5% discount)
• 40 + 5% = 42 (for example adding 5% tax or a tip)
• 2 is 5% of 40

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

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