Calculate square root (√), cube root (∛), fourth root, nth root of any positive or negative number. Perfect square root calculator for students, engineers & math enthusiasts.

What is a Square Root?

A square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 16 is 4 because 4 × 4 = 16. The square root symbol is √.

How to Use This Square Root Calculator

Enter your number - Type any positive or negative number
Select root type - Choose square root, cube root, or custom nth root
Click Calculate - Get instant results with full precision

Common Square Roots Reference

√4 = 2 (square root of 4 is 2)
√9 = 3 (square root of 9 is 3)
√16 = 4 (square root of 16 is 4)
√25 = 5 (square root of 25 is 5)
√36 = 6 (square root of 36 is 6)
√49 = 7 (square root of 49 is 7)
√64 = 8 (square root of 64 is 8)
√81 = 9 (square root of 81 is 9)
√100 = 10 (square root of 100 is 10)
√144 = 12 (square root of 144 is 12)

Cube Root Examples

∛8 = 2 (cube root of 8)
∛27 = 3 (cube root of 27)
∛64 = 4 (cube root of 64)
∛125 = 5 (cube root of 125)

Perfect Squares Chart 1-100

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, 484, 529, 576, 625, 676, 729, 784, 841, 900, 961, 1024, 1089, 1156, 1225, 1296, 1369, 1444, 1521, 1600

Why Use Our Sqrt Calculator?

✓ 100% Free - No registration, unlimited calculations
✓ Instant Results - Calculate square roots in milliseconds
✓ Multiple Root Types - Square, cube, nth roots supported
✓ High Precision - Accurate to 15 decimal places
✓ Mobile Friendly - Works on all devices
✓ No Installation - Use directly in browser

Square Root Calculator (√) - Sqrt Calculator Free