Square Root Calculator › Square root of 432
Square Root of 432
√432 ≈ 20.78461
432 is not a perfect square, so √432 is an irrational number that is approximately 20.78461. In simplified radical form, √432 = 12√3.
√432 lies between √400 = 20 and √441 = 21.
| Number | 432 |
| Square root (decimal) | 20.78461 |
| Simplified radical | 12√3 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 432 a perfect square?
No, 432 is not a perfect square, so its square root is irrational and approximately 20.78461.
What is the square root of 432 in simplest radical form?
√432 = 12√3 in simplest radical form.