80% as a Fraction and a Decimal

Convert 80% to a fraction in simplest form and to a decimal.

80% as a fraction

4/5

80% as a decimal

0.8

How it works

“Percent” means “out of 100”, so 80% is 80/100.

As a fraction: 80/100 = 80/100 = 4/5 after dividing by the greatest common factor.
As a decimal: 80 ÷ 100 = 0.8.

The percentage calculator finds a percent of a number, percentage change and more.

What is 80% as a fraction?+

80% as a fraction is 4/5 in simplest form. A percent means "out of 100", so 80% = 80/100, which reduces to 4/5.

What is 80% as a decimal?+

80% as a decimal is 0.8. To convert a percent to a decimal, divide by 100 (move the decimal point two places left).