40% of 50 is 20. You calculate this by multiplying 50 by 0.4 (which is 40% as a decimal).

How do you calculate 40% of 50?

To calculate 40% of 50: Divide 40 by 100 to get 0.4. Then multiply 50 × 0.4 = 20.

What is 40% of 50?

Convert the percentage to a decimal

40% ÷ 100 = 0.4

Multiply by the number

50 × 0.4 = 20

40% × 50 = 50 × 0.4 = 20

Use our free percentage calculator for any numbers.