Square Root Calculator
Uses x^(1/n); default root index 2 for square root.
Limitation: Educational real roots only.
How to Use the Square Root Calculator
Uses x^(1/n); default root index 2 for square root.
Open the Root calculator and read field labels.
Match the mode
Educational real roots only.
What It Calculates
Uses x^(1/n); default root index 2 for square root.
Worked Examples
√16
Inputs
Result
Square root.
Cube root of 27
Inputs
Result
27^(1/3).
Fourth root of 81
Inputs
Result
81^(1/4).
Check your mode
Educational real roots only.
Frequently Asked Questions
Still have questions about this calculation?
Try the CalculatorFormulas
Standard definitions with assumptions noted below.
Formula
Scientific Background
Standard core definitions with assumptions stated on-page. Educational only—not professional certification.
Sources & review
Square Root Calculator documents the references behind its formulas and assumptions. Always treat results as educational estimates, not personalized professional advice.
Last reviewed
July 22, 2026
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