Quick Answer
Fence cost per acre ranges from $50–$150 per acre for basic electric fence on large properties to $500–$2,000+ per acre for board fence on small properties. Cost per acre decreases as property size increases because the perimeter-to-area ratio drops. A 5-acre property has roughly 4x more fence per acre than a 100-acre property of the same shape.
Why Smaller Properties Cost More Per Acre
A 5-acre square has a perimeter of approximately 1,867 feet — that's 373 feet of fence per acre. A 100-acre square has a perimeter of 8,340 feet — only 83 feet of fence per acre. The 5-acre property needs 4.5x more fence per acre, and since fence cost scales with linear footage, it costs 4.5x more per acre at the same fence type and installation cost.
Cost Per Acre by Property Size and Fence Type
| Property Size | Electric HT (3 strand) | Woven Wire | Board Fence (4 board) |
|---|---|---|---|
| 5 acres | $280–$560/acre | $700–$1,400/acre | $2,800–$5,600/acre |
| 20 acres | $110–$220/acre | $280–$560/acre | $1,100–$2,200/acre |
| 40 acres | $80–$160/acre | $200–$400/acre | $800–$1,600/acre |
| 100 acres | $50–$100/acre | $130–$260/acre | $500–$1,000/acre |
| 200 acres | $35–$70/acre | $90–$180/acre | $360–$720/acre |
Interior Cross-Fencing Impact
Adding internal paddock fencing increases total cost by 30–60% depending on layout. A 40-acre property divided into 4 equal paddocks adds approximately 1,320 feet of interior fence — about 25% more fence than the perimeter. Budget separately for interior cross-fencing and prioritize based on livestock management needs rather than adding it all at once.
Our Recommendation
Calculate your per-foot fence cost first, then multiply by perimeter footage for your total. Don't use "cost per acre" numbers from other sources without verifying they match your fence type and property size. A simple spreadsheet with fence type, linear footage, and cost per foot gives you more reliable estimates than generalized per-acre figures.