Round Pen Calculator

Calculate the number of panels required to build a round pen of a given size.

ft
ft
Result:
The circumference: 157 ft
Number of panels needed: 14

All the results are approximate. They may vary, for example, depending on your entrance panel size.

How to calculate the Round Pen
Desired Diameter (ft) * 3.14 / Panel Length (ft) = Total panels needed

All the values in this calculator are rounded up to the nearest integer.

How to use this calculator?

  1. Enter the desired diameter of your round pen (in feet).
  2. Enter your panel length (in feet).
  3. Get your results! See the total circumference of your round pen and the number of panels you need.

Examples

Desired Diameter 10 ft panel 14 ft panel 16 ft panel
20 7 5 4
30 10 7 6
40 13 9 8
50 16 12 10
60 19 14 12
70 22 16 14
80 26 18 16
90 29 21 18