# Square root calculator - What is the square root of 5?

The r2 command calculates the square roots of real numbers. Input r2 5 in the search form above and you get the root of 5 as follows.

The square root of 5 is 2.23606797749979... and this value as a decimal has infinite digits. Let's input a number of which you want to get the root in the above form. This online calculator produces the several roots of numbers at once if you input them separated by space.

In this case, the command calculates and shows the roots of 5, 6, 7, 8, 9.