Square Root Calculator › Square root of 16
Square Root of 16
√16 = 4
16 is a perfect square: 4 × 4 = 16. Its square root is the whole number 4.
| Number | 16 |
| Square root (decimal) | 4 |
| Simplified radical | 4 |
| Perfect square? | Yes |
| Rational? | Yes |
Calculate another square root
Nearby square roots
Frequently asked questions
Is 16 a perfect square?
Yes. 16 is a perfect square because 4 × 4 = 16, so √16 = 4.
What is the square root of 16 in simplest radical form?
√16 simplifies to the whole number 4.