Barbed Wire Fence Calculator
Farm and ranch barbed wire — rolls, T-posts and cost.
Barbed wire is sold by the roll (typically 1/4 mile = 1,320 ft). This calculator counts rolls and T-posts for any fence run.
10–14 ft
1,320 ft = 1/4 mile
Calculation Results
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📌 4 strands minimum for cattle, 5+ for horses or smaller livestock.
➡️ Next step for this fence
Barbed wire pulls hard on the end posts, so a 1,320 ft run needs a brace at every corner and gate. Size them in the H-brace calculator.
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🛠️ How This Calculator Works
Multiplies fence length by the number of strands to get total wire length, then divides by roll length to count rolls. T-posts are counted at the chosen spacing.
📐 Formula
Total wire = LF × strands; Rolls = ⌈total wire / roll length⌉📝 Example Calculation
1,320 ft × 4 strands, 12 ft post spacing, 1,320 ft rolls: Total wire = 5,280 ft Rolls = 4; T-posts = 111 Total ≈ $1,200
💡 Pro Tips from Fence Builders
- 4 strands minimum for cattle, 5 for horses, 6 for sheep or goats.
- Use H-braces at every corner and gate — barbed wire pulls hard.
- Stretch wire with a fence stretcher tool, never a vehicle.
- Leather gloves and safety glasses are mandatory.
❓ Frequently Asked Questions
How many strands of barbed wire for cattle?
4 strands at minimum, evenly spaced 10–12 inches apart, with the bottom strand 14–18 inches off the ground.
How long is one roll of barbed wire?
Standard rolls are 1,320 ft (1/4 mile). Some come in 80-rod (1,320 ft) or 660 ft variants.
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Counting line posts for a longer run with gates and corners? The T-post calculator gives T-posts, post length and clips between the braces. Size the corner, gate and pull assemblies with the H-brace calculator, and the fasteners for wood posts with the fence staple calculator.