Math calculator
Square & Cube Root Calculator
Calculate square roots, cube roots, and nth roots.
About the square & cube root calculator
The square and cube root calculator finds the nth root of any number.
How to use this calculator
- 1
Enter number
Enter the number you want to find the root of.
- 2
Choose root type
Select square root, cube root, or higher roots.
- 3
View results
See the root value.
How the calculation works
nth root of x = x^(1/n).
Example: √144 = 12. ∛27 = 3.
When to use a calculator vs. mental math
Simple operations like percentages and proportions are great for mental math. Complex problems — quadratic equations, standard deviation, and base conversions — benefit from calculator precision. Always estimate the answer first to catch input errors, and verify results with a second method when possible.
Important limitations
This tool provides a mathematical estimate based only on the values entered. It does not account for regulations, taxes, lender fees, market conditions, or individual circumstances. Results are for planning purposes only — consult a qualified professional for regulated, medical, financial, or construction decisions.
Frequently asked questions about square & cube root calculator
How accurate is the square root calculator?+
The calculation follows the displayed formula and retains full numeric precision before formatting the result.
Can I use the result professionally?+
Use it as a planning estimate. Confirm regulated, medical, financial, or construction decisions with a qualified professional.