Using the calculator
Enter the values requested above. Calculate a principal square root and squared verification.
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Square Root Calculator
Calculate a principal square root and squared verification.
Enter the values for the problem
Enter the numbers, equation values, scores, or dimensions requested by the square root tool. Review the supporting outputs to check the result and understand the relationship between the values.
Important: Use the inputs that match your situation. Results are estimates based on the values and assumptions entered.
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How to use this calculator
Reading the result
The main result is the principal square root of the number entered. The verification value squares that result so you can confirm it returns the original number.
Results are estimates based on the values entered. Review the Methodology and Calculator Disclaimer for important limitations.