Cube Root of 0.729

Cube Root Calculator

What is the cube root of 0.729?

Answer

∛0.729 =

0.9

Real cube root: the only number whose cube is 0.729.

0.729 = 729/1000.

As a fraction: 0.729 = 729/1000 = 9³/10³ → ∛0.729 = 9/10 = 0.9

See Also

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Recalculate with different values ↑

Cube roots of nearby values

N	∛N
343/512	7/8 = 0.875
0.69	≈ 0.8837
512/729	8/9 ≈ 0.8889
0.729	0.9
729/1000	9/10 = 0.9
3/4	∛6/2 ≈ 0.9086
0.8	≈ 0.9283

FAQ

What is the cube root of 0.729?

∛0.729 = 0.9

How to find ∛0.729 without a calculator?

Write the decimal as a fraction over a power of 10: 0.729 = 729/1000 = 9³/10³. Then ∛0.729 = 9/10 = 0.9.

Is ∛0.729 a rational number?

Yes: ∛0.729 = 0.9, a terminating decimal.

See Also