Square Root of 16
Calculate √16 instantly — exact value, step-by-step explanation, and properties.
How to Calculate √16
The square root of 16 is exactly 4. This is because 4 × 4 = 16. Since 16 is a perfect square, its square root is a whole number. You can verify: 4² = 4 × 4 = 16.
√16 = 4 (because 4 × 4 = 16) Properties of √16
Perfect Square?
Yes
16 = 4², so its square root is a whole number.
Decimal Value
4
Exact integer result.
Square Root Symbol
√16
Also written as 16^(1/2) or 16^0.5 in programming.
Related Square Root Values
Reference table of square roots near 16 for quick comparison.
Frequently Asked Questions
What is the square root of 16?
The square root of 16 is exactly 4. Since 16 is a perfect square, √16 = 4.
Is 16 a perfect square?
Yes, 16 is a perfect square. It equals 4², meaning 4 × 4 = 16.
How do you calculate √16 by hand?
Since 16 is a perfect square, you can find √16 by identifying which integer multiplied by itself equals 16. The answer is 4, because 4 × 4 = 16.
What is √16 in simplified radical form?
√16 = 4. Since it's a perfect square, no radical form is needed.