What is 30% of 100?

30% of 100 = 30

Formula: 100 × 30 ÷ 100 = 30. Or work it out as 30 hundredths: 1% of 100 is 1, so 30% is 1 × 30 = 30.

• 100 − 30% = 70 (for example a 30% discount)
• 100 + 30% = 130 (for example adding 30% tax or a tip)
• 30 is 30% of 100

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

Other percentages of 100

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