√49 = 7. The square root of 49 is 7, because 7 × 7 = 49. 49 is a perfect square.
√49 at a glance.
Value
7
Rounded
7
Perfect square?
Yes
49 squared
2,401
Checking it in your head
A perfect square's root is a whole number, so check by multiplying back: 7 × 7 = 49. Its last digit fits too: squares only ever end in 0, 1, 4, 5, 6 or 9, and 7² ends in 9.
Frequently asked questions
What is the square root of 49?
The square root of 49 is 7, because 7 × 7 = 49. 49 is a perfect square.