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Free Online Square Root Calculator

Find a real square root of a nonnegative number.

Your input stays on this device. Processing is bounded; regex runs in a worker with a two-second timeout.

Result



How to use Square Root Calculator
Find a real square root of a nonnegative number. The result includes the applied formula. Numeric calculations use finite real numbers and enforce input limits.
  1. Set Number.
  2. Run the tool, review the result and its stated limitations, then copy or download if needed.
Example & practical use
Find a real square root of a nonnegative number. The example below demonstrates Number.
Example input:
{
  "a": 144
}
Expected result (relevant fields):
{
  "result": 12
}
Features & result limitations
The result includes the applied formula. Numeric calculations use finite real numbers and enforce input limits.
Frequently asked questions
What inputs does Square Root Calculator accept?
Number
How should I interpret the Square Root Calculator result?
The result includes the applied formula. Numeric calculations use finite real numbers and enforce input limits.
Where does Square Root Calculator process my data?
Inputs are processed locally in your browser. Submitted text is not sent to external services. A successful-run event increments an aggregate tool counter without your input.