3/7 as a Decimal
The fraction 3/7 written as a decimal.
3/7 as a decimal
0.428571…
= 42.8571% · repeating decimal
How it works
To turn a fraction into a decimal, divide the numerator by the denominator: 3 ÷ 7 = 0.428571….
Because 7 has a prime factor other than 2 or 5, the division never ends, so 3/7 is a repeating decimal (rounded above).
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The fraction calculator adds, subtracts, multiplies, divides and simplifies any fractions, and shows each result as a decimal too.
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Frequently asked questions
What is 3/7 as a decimal?+
3/7 as a decimal is 0.428571…. It is a repeating decimal, found by dividing 3 by 7.
How do you turn 3/7 into a decimal?+
Divide the numerator by the denominator: 3 ÷ 7 = 0.428571…. A fraction gives a terminating decimal when the denominator's only prime factors are 2 and 5, and a repeating decimal otherwise.