Do your poles fit into a grommet style or non-grommet style tent? Choose the appropriate tab at the bottom of the table
Click on the yellow cell and enter your pole length in inches and hit Enter/Return.
The calculator will populate the fields with data you can use to design your own poles.

REMEMBER: When designing pole sets, it's best to use an odd number of sections to prevent having a section seam at the peak of the pole.

Non-Grommet Pole Diagram

Grommet Pole Diagram