Agricultural Fencing & Acreage Calculator
Convert agricultural parcel dimensions into acreage, perimeter and fencing quantities, with post spacing and corner-post takeoff.
- US Acre
- 43,560 sqft
- Standard
- Post Spacing
- 8–12 ft
- Field fence
- Corner Posts
- 4
- Per rectangle
Formula & Statutory Rule
Formula
area = width × length; perimeter = 2 × (width + length)
Statutory Rule
posts = ceil(perimeter / spacing) + 1; corner_posts = 4 per rectangleRegional Benchmark Reference
| Jurisdiction / Tier | Rate or Limit | Statutory Note |
|---|---|---|
| Acre | 43,560 sqft | Standard |
| Post spacing | 8–12 ft | Field fence |
| Corner posts | 4 | Per rectangle |
Frequently Asked Questions
How many posts per acre?
It depends on the perimeter and spacing; a square acre needs roughly 210 posts at 12-foot spacing.
What spacing should I use?
Field fence typically uses 8 to 12 foot post spacing, with closer spacing on corners and gates.
How do I convert acres to hectares?
Divide acres by 2.471 to get hectares.
Do I need corner bracing?
Yes. Corner and gate posts require bracing to resist tension from the fence line.