Square Root Calculator

Calculate the square root of any number to high precision.

Root Calculator

Choose root type and enter number

Root Degree (n)

Number

Result

Simplified Radical

Scientific Notation

Enter a number above and tap Calculate Root to see the result.

Step-by-step Solution

Root Formula

ⁿ√x = x^1/n

n = Root degree (2 for square, 3 for cube)
x = The number under the radical

Tips

Perfect squares like 4, 9, 16, 25 have integer square roots.

Simplified radical form shows the largest perfect square factor extracted.

The cube root of negative numbers is also negative.

Related Calculators

Pro Tips

Results update as you type — change any field to see the effect immediately.

Check that every value uses the same unit before comparing results.

Use the copy button to paste the square root figures into a note or spreadsheet.

Nothing is sent to a server, so you can use this with private figures.