Cube Root of 125/8

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Cube root of

What is the cube root of 125/8?

Answer

∛(125/8) =
5/2 = 2.5

Real cube root: the only number whose cube is 125/8.

125/8 = 15.625.

Root of a fraction
∛(125/8) = ∛125/∛8 = 5/2

See Also

Recalculate with different values ↑

Cube roots of nearby values

N∛N
13≈ 2.3513
14≈ 2.4101
15≈ 2.4662
125/85/2 = 2.5
15.6252.5
162∛2 ≈ 2.5198
17≈ 2.5713

FAQ

What is the cube root of 125/8?

∛(125/8) = 5/2 = 2.5

Why is ∛(125/8) = 5/2?

The cube root of a fraction is the cube root of the numerator over the cube root of the denominator: ∛(125/8) = ∛125/∛8 = 5/2, because 5³ = 125 and 2³ = 8.

Is ∛(125/8) a rational number?

Yes: ∛(125/8) = 5/2 = 2.5, a terminating decimal.

See Also