Step by step
- Pick the method for your device from the table.
- Or copy this symbol: √
- For phones, save a text replacement to type it quickly.
At a glance
| Device | How | Note |
|---|---|---|
| Mac | Option+V | US keyboard layout |
| Windows | Alt+251 or Win+. › Symbols | Alt codes need a number pad |
| Word | 221A then Alt+X | Or Insert › Equation |
Related questions
How do I type the cube root ∛?
Copy ∛, or in Word type 221B and press Alt+X.
How do I put a number under the √ line?
Use Word's Insert › Equation › Radical, or write √(72).
Can I type √ in Excel?
Paste it, but for calculations use =SQRT(A1).
More questions: square root calculator
- How to find a square root without a calculator
- Can you take the square root of a negative number?
- What is the square root of 0?
- How to simplify a square root (simplest radical form)
- How to do a square root on the iPhone Calculator
- How to do a square root on the Windows or Mac Calculator
- How to calculate a square root in Excel
- How to calculate a square root in Python and Java
- What is a square root?
- Why is the square root of 2 irrational?
- How to find the square root of a fraction
- Common square roots chart (√64, √81, √144 and more)
Open the full square root calculator →
Updated November 14, 2026.