0.5% as a Fraction and a Decimal

Convert 0.5% to a fraction in simplest form and to a decimal.

0.5% as a fraction
1/200
0.5% as a decimal
0.005
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How it works

“Percent” means “out of 100”, so 0.5% is 0.5/100.

  • As a fraction: 0.5/100 = 5/1000 = 1/200 after dividing by the greatest common factor.
  • As a decimal: 0.5 ÷ 100 = 0.005.

Work with percentages

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

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Frequently asked questions

What is 0.5% as a fraction?+

0.5% as a fraction is 1/200 in simplest form. A percent means "out of 100", so 0.5% = 5/1000, which reduces to 1/200.

What is 0.5% as a decimal?+

0.5% as a decimal is 0.005. To convert a percent to a decimal, divide by 100 (move the decimal point two places left).