How to convert this fraction
Division gives 4 ÷ 5 = 0.8. This is the decimal form of 4/5.
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4/5 as a decimal
4/5 as a decimal is 0.8.
To express 4/5 as a decimal, divide the numerator by the denominator (4 ÷ 5).
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Frequently asked questions
What is 4/5 as a decimal?
4/5 equals 0.8 in decimal form.
Is 4/5 a terminating decimal?
Yes. In base 10, 4/5 = 0.8 has finitely many decimal places.
How do you convert 4/5 to a decimal?
Divide 4 by 5. On a calculator, enter 4 ÷ 5.
Is this page for inches?
No — this is abstract math. For inches on a ruler, use our inches-to-decimal tool linked on this page.
Last updated: 2026-04-18 · Content version: 1.0