20% of 40 is 8. To calculate this: 1) Convert 20% to decimal (20/100 = 0.2), 2) Multiply by 40 to get 8.

What is 20% of 40?

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Result

20% of 40 = 8

20\% \times 40 = 40 \times \frac{20}{100} = 8

20% means 20 parts out of 100. To convert a percentage to a decimal, we divide by 100: 20% = 0.2

We multiply our number (40) by the decimal form of the percentage (0.2):
40 × 0.2 = 8

This means that 20% or 0.2 of 40 is 8. In other words, if you take 20% of 40, you get 8.

When a $40 product has a 20% discount, you save $8 and pay $32.

If you want to leave a 20% tip on a $40 meal, you would leave $8 as the tip.

When 20% sales tax is added to a $40 purchase, $8 is added for tax, making the total $48.

If 20% of students in a class are boys and there are 40 students total, that means there are 8 boys.

If you invest $40 and earn 20% annual interest, you'll receive $8 in interest for the year.

If a student answers 20% of questions correctly on a 40-question test, they answered 8 questions correctly.

If 20% of your monthly revenue goes to operating expenses and you earn $40, you spend $8 on operations.

If a hospital reduces infections by 20% from 40 cases monthly, they now have only 32 cases per month.

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