Move the band saw's wheels to the middle of their tension-adjustment range.
Measure the distance between the center points of each wheel. Write down the value as "D."
Measure the radius of each wheel. Write down the values as "R1" and "R2."
Insert the values into the following equation: (R1π) + (R2π) + (2D).
Use a calculator to solve the equation. The resulting answer is the band saw blade length.
Things You Will Need
- Measuring tape
- Most band saws have the correct blade size for the saw printed somewhere on the machine itself. If you cannot locate the blade size on the machine, however, these steps can help you calculate the proper size.