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Chain link fence calculator

Turn a fence run into a full bill of materials — fabric, posts, rail and every band and tie — sized for a container order, not a retail quote.

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Height (ft)
Bill of materials
Fabric roll (4 ft × 50 ft)2
Line posts8
Terminal posts (end/corner/gate)3
Top rail (21 ft lengths)5
Loop caps (line)8
Dome caps (terminal)3
Tension bars4
Tension bands12
Brace bands8
Rail ends4
Bottom tension wire (ft)100
Tie wires (approx)90
Planning BOM. Line posts at the 10 ft on-center maximum; top rail in 21 ft lengths; terminal posts (one size larger) carry the tension hardware — a corner counts as two faces, so it needs double the bars and bands. Full method in our chain link materials guide.

How this is calculated

  1. 1
    Fabric & posts

    Rolls = ceil(length / 50 ft). Post positions at the 10 ft on-centre maximum → grid = floor(length/10)+1; terminal posts (heavier, carry all tension) = ends + corners + gates×2, and line posts = grid − ends − corners. The 10 ft limit exists so the top rail doesn’t deflect under wind and snow.

  2. 2

    Top rail = ceil(length / 21 ft) — 21 ft swaged sticks that telescope through line-post loop caps and land in a rail-end cup at each terminal.

  3. 3
    Per-face hardware

    A face is a fabric termination: an end = 1 face, a corner or pull = 2 faces, a gate = 2 (both jambs), so faces = ends + 2×corners + 2×gates. Each face needs 1 tension bar, (height−1) tension bands, 1 rail end and 2 brace bands (one at the top for the rail end, one at the bottom for the tension wire). Caps: loop caps = line posts, dome caps = terminal posts; bottom tension wire = fence length; gates add 2 hinges + 1 latch each.

  4. 4
    Worked example

    100 ft, 5 ft high, 2 ends, 2 corners, 1 gate: grid = floor(100/10)+1 = 11; terminals = 2+2+2 = 6; line = 11−4 = 7; rail = ceil(100/21) = 5; fabric = 2 rolls; faces = 2+4+2 = 8 → 8 tension bars, 8×(5−1) = 32 tension bands, 16 brace bands, 8 rail ends; plus 2 hinges + 1 latch for the gate.

  5. 5
    Assumptions & limits

    Residential/light-commercial gauge on flat ground (slope adds fabric and rail); footing concrete is excluded (parity with the trade). The single “+1” treats the run as one straight line, so a heavily cornered layout is a slight under-count — fine for an estimate.

Diagram: how the Chain link fence BOM is calculated
Line posts at ≤10 ft; terminal posts carry the tension hardware; top rail in 21 ft swaged sticks.

Leeter provides the tool, not a warranty of the result. Every figure above is a planning estimate for reference only — confirm structural, code and customs decisions with your engineer, inspector or broker.

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