Root Calculator
Use the Root to work through root from the values you enter. Review the notes below the result so you understand what the figure represents.
Result
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Check: result^n —
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How it works
ⁿ√x = x^(1/n)How to use the Root
Enter the requested values and start with one realistic example. Read the result together with its unit or label, then change one input at a time if you want to compare options.
Review the assumptions on the page and confirm any result that affects money, safety, technical work or another important decision.
Frequently Asked Questions
How do I calculate an nth root without a root button?
Raise to the reciprocal power: the 5th root of 32 is 32^(1/5) = 2. That identity is exactly what this calculator (and every scientific calculator) uses.
Can you take the root of a negative number?
Odd roots yes (∛−27 = −3); even roots of negatives have no real answer — they live in the complex numbers as imaginary results.
What is the square root of 2?
About 1.41421356 — an irrational number whose decimals never repeat, famous as the first number proven irrational.