# Square calculator: Calculate the square of a number online

The p2 command calculates the square of a real number like 5 × 5. If you input p2 5 in the search form and press the enter key, you get the 5 × 5 as follows.

The square of 5 is 25. The squared number is the value of a number multiplied by itself and 25 is a squared number. This online calculator gives the several squares of numbers if you input them separated by space in the form.

In this case, the command calculates and shows the squares of 5, 6, 7, 8, 9. The green numbers are the arguments or what you input in the form and the red numbers (25, 36, ...) are the squared numbers.