Square Root of 9
Calculate √9 instantly — exact value, step-by-step explanation, and properties.
√9 =
3
✓ Perfect Square
How to Calculate √9
The square root of 9 is exactly 3. This is because 3 × 3 = 9. Since 9 is a perfect square, its square root is a whole number. You can verify: 3² = 3 × 3 = 9.
√9 = 3 (because 3 × 3 = 9) Properties of √9
Perfect Square?
Yes
9 = 3², so its square root is a whole number.
Decimal Value
3
Exact integer result.
Square Root Symbol
√9
Also written as 9^(1/2) or 9^0.5 in programming.
Frequently Asked Questions
What is the square root of 9?
The square root of 9 is exactly 3. Since 9 is a perfect square, √9 = 3.
Is 9 a perfect square?
Yes, 9 is a perfect square. It equals 3², meaning 3 × 3 = 9.
How do you calculate √9 by hand?
Since 9 is a perfect square, you can find √9 by identifying which integer multiplied by itself equals 9. The answer is 3, because 3 × 3 = 9.
What is √9 in simplified radical form?
√9 = 3. Since it's a perfect square, no radical form is needed.