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Fencing calculator
Enter your pasture or fence-line measurements in feet to estimate posts, wire and rolls - and see the pasture area in acres. Prefer meters? One tap switches.
Your estimate
- Around the pasture
- 3,960 ft (240 rods)
- Fence, less gate openings
- 3,944 ft (239 rods)
- Corner / end strainer posts
- 4
- Gate posts
- 2
- Line posts (every 12 ft or less)
- 325
- Pasture area
- 20 acres · 8.09 ha
How we work it out
- Posts: each side is split into equal gaps no wider than your post spacing. A pasture shares its 4 corner posts; a straight line has a strainer at each end. Each gate adds one post (two gate posts where one line post would be).
- Wire: fence length (gate openings taken out) × number of wires, plus 5% for tying off and joins. Rolls are rounded up.
- Area: length × width, shown in acres and hectares (1 acre = 43,560 ft²; 1 ha ≈ 2.47 acres). Lengths also in rods (1 rod = 16.5 ft).
This is a quick estimate for a rectangular pasture or a straight run on flat ground. Hills, curves, creek crossings, electric offsets, H-braces, stays and your fencing contractor's methods all change the real numbers, so check with your supplier or contractor before you buy. Nothing you type is stored or sent anywhere. Need other units? Try the farm unit converter; words like strainer or rod are in the farm words glossary.
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