A 70 ft round pen has a circumference of 220 ft. Panels are commonly 10 or 12 ft long.
How panels are counted
Panels = run length ÷ panel width, rounded up. Posts = panels + 1 on each straight run. A round pen needs circumference ÷ panel length.
Example: a 70 ft round pen is 219.9 ft round, so it takes 19 panels of 12 ft.
Panels and posts at a glance
Worked out with the same settings as the calculator above, changing only the pen diameter.
| Pen diameter | Panels | Posts |
|---|---|---|
| 40 ft | 11 | 11 |
| 50 ft | 14 | 14 |
| 60 ft | 16 | 16 |
| 70 ft | 19 | 19 |
| 80 ft | 21 | 21 |
Common questions
How many posts for fence panels?
One more than the number of panels on each straight run, plus extra posts at each gate.
What if the last panel does not fit?
Cut the last panel on each run to fit, or adjust post positions so the cut panel sits somewhere less visible.