What is 20% of 20?

20% of 20 is 4. Try other numbers below, or read the quick working.

How to work out 20% of 20

"Per cent" means "per hundred", so 20% is the same as the decimal 0.2. To find 20% of 20, just multiply: 0.2 × 20 = 4.

Another way to see it: split 20 into 100 equal parts of 0.2 each, then take 20 of them. Both methods give 4.

Frequently asked questions

What is 20% of 20?

20 percent of 20 is 4. You get it by multiplying 20 by 0.2.

How do I calculate 20 percent of a number?

Divide the percentage by 100 to turn it into a decimal (0.2), then multiply by the number.

→ Open the full percentage calculator