Cube Root of 1/8

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Cube root of

What is the cube root of 1/8?

Answer

∛(1/8) =
1/2 = 0.5

Real cube root: the only number whose cube is 1/8.

1/8 = 0.125.

Root of a fraction
∛(1/8) = ∛1/∛8 = 1/2

See Also

Recalculate with different values ↑

Cube roots of nearby values

N∛N
64/7294/9 ≈ 0.4444
0.1≈ 0.4642
0.1250.5
1/81/2 = 0.5
125/7295/9 ≈ 0.5556
64/3434/7 ≈ 0.5714
0.2≈ 0.5848

FAQ

What is the cube root of 1/8?

∛(1/8) = 1/2 = 0.5

Why is ∛(1/8) = 1/2?

The cube root of a fraction is the cube root of the numerator over the cube root of the denominator: ∛(1/8) = ∛1/∛8 = 1/2, because 1³ = 1 and 2³ = 8.

Is ∛(1/8) a rational number?

Yes: ∛(1/8) = 1/2 = 0.5, a terminating decimal.

See Also