What is 5% of 400?

5% of 400 = 20

Formula: 400 × 5 ÷ 100 = 20. Or work it out as 5 hundredths: 1% of 400 is 4, so 5% is 4 × 5 = 20.

• 400 − 5% = 380 (for example a 5% discount)
• 400 + 5% = 420 (for example adding 5% tax or a tip)
• 20 is 5% of 400

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

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