The square root calculator calculates the square root of any positive number, and provides results in the form of decimal and fraction (1/16 accuracy) values. This free online calculator with fractions is great for squaring construction projects where a tape measure is being used.
To use the square root calculator, enter a number in the top Input field and click the Calculate Square Root button. The results should appear below in the Results section. To calculate the square root of another number, click the Clear button and start over.
Check out the math calculators with fractions on the carpentry calculators page. There are several other construction calculators that you will find useful on that page; the stair calculator; the arch calculator; the roof pitch calculator; and the cubic yard calculator for measuring volumes of concete, etc.