Everyday

What is 1% of 40?

1% of 40 = 0.4

The answer, how it is worked out, and the percentages people look up next.

Working: 1 ÷ 100 × 40 = 0.4

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Common questions

How do you work out 1% of 40?

Divide 1 by 100 to get the decimal, then multiply by 40. That gives 0.4.

What is the formula for percentages?

Percent of a number = (percent ÷ 100) × number. The same formula works for any pair of values.

How do I do this without a calculator?

Find 10% by moving the decimal one place left, then scale it. 10% of 40 is 4, so you can add or subtract tenths and halves to reach most percentages quickly.