Square Root Calculator › Square root of 800
Square Root of 800
√800 ≈ 28.284271
800 is not a perfect square, so √800 is an irrational number that is approximately 28.284271. In simplified radical form, √800 = 20√2.
√800 lies between √784 = 28 and √841 = 29.
| Number | 800 |
| Square root (decimal) | 28.284271 |
| Simplified radical | 20√2 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 800 a perfect square?
No, 800 is not a perfect square, so its square root is irrational and approximately 28.284271.
What is the square root of 800 in simplest radical form?
√800 = 20√2 in simplest radical form.