Things You'll Need
- Measuring tape
Instructions
Decide on the diameter of the round pen that you desire. A standard size is 60 feet for working young horses. Decide on the amount of space to dedicate to a round pen and measure the ground area diameter with a measuring tape.
Multiply the round pen diameter by 3.14. This measurement will calculate the circumference of the round pen.
Divide this total number by the length of the panels for the round pen. This will supply the number of panels that needs to be purchased for a round pen in this circumference.