What is 40% of 100?

40% of 100 = 40

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

• 100 − 40% = 60 (for example a 40% discount)
• 100 + 40% = 140 (for example adding 40% tax or a tip)
• 40 is 40% of 100

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

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