Square Root Calculator
Your details
Calculation mode
i
Forward: find the root of a number. Reverse-solve: enter the root and find the original number.
Number to root (forward)
Root to number (reverse-solve)
Root index (n)
i
2 = square root, 3 = cube root, 4 = fourth root, and so on.
Number (radicand)
i
The number to take the root of. Negative values are allowed for odd-index roots.
Reset
Principal root
Perfect power
12
Simplified radical
12
Perfect power?
Yes
Result raised to power n (check)
144
w = 12
h = 12
▸
144 is a perfect square power: √144 = 12.
A perfect square power has a whole-number root.
Raising 12 to the power 2 returns exactly 144.
Simplified radical form: 12.
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