What is 18% of 40?

Answer
18% of 40 = 7.20
18 ÷ 100 × 40 = 7.20
To find 18% of 40, convert the percentage to a decimal (0.18) and multiply by 40. That gives 7.20.

Try your own numbers

Need a different calculation? The full percentage calculator handles “% of a number”, percentage change, and “X is what percent of Y”.

CalcLumen · Percentage calculator