Square Root (√) Calculator

A rectangle of area 50 squares up, and its side is √50 ≈ 7.071

Enter any number below to get its square root to up to 1000 decimals, with the step-by-step Newton iterations.

Install miniwebtool Chrome Extension to calculate the square root of a selected number via the right-click menu anytime.

Try these examples:

Number:
Decimal Precision:
💡 Tip: Enter any number (positive, negative, or decimal). Choose higher precision for scientific calculations. Supports scientific notation (e.g., 2e10).