What is 15% of 40?

15% of 40 = 6

Formula: 40 × 15 ÷ 100 = 6. Or work it out as 15 hundredths: 1% of 40 is 0.4, so 15% is 0.4 × 15 = 6.

• 40 − 15% = 34 (for example a 15% discount)
• 40 + 15% = 46 (for example adding 15% tax or a tip)
• 6 is 15% of 40

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

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