Rex says
Money math without the spreadsheet headache. Plug in your numbers and I'll show you exactly where the dollars land.
Try a scenario
Click to load — tweak from there.Inputs
Result
Estimated total fence cost
$20,278
Fence length
835
Posts needed
106
Fencing material cost
$18,370
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How to use this
- 1Enter fence perimeter (ft).
- 2Enter post spacing (ft).
- 3Enter fencing price per linear foot ($).
- 4Enter price per post ($).
- 5Read your estimated total fence cost on the right — it updates as you type.
- 6Hit Share to keep the scenario or send it to someone.
About this calculator
A full acre (43,560 square feet) fenced on all sides assuming a square shape needs about 835 linear feet of perimeter fencing. This calculator defaults to that figure and returns total posts and material cost for your chosen fence style, fully adjustable for irregular lot shapes.
Worked example
Using the values the calculator loads with:
Inputs
- Fence perimeter: 835 ft
- Post spacing: 8 ft
- Fencing price per linear foot: 22 $
- Price per post: 18 $
Results
- Estimated total fence cost: $20,278
- Fence length: 835
- Posts needed: 106
- Fencing material cost: $18,370
What each field means
Inputs
- Fence perimeter (ft)
- The fence perimeter used in the calculation, measured in ft. Starts at 835 ft so you have a working example on load.
- Post spacing (ft)
- The post spacing used in the calculation, measured in ft. Starts at 8 ft so you have a working example on load. Accepted range: 4–12 ft.
- Fencing price per linear foot ($)
- The fencing price per linear foot used in the calculation, measured in $. Starts at 22 $ so you have a working example on load.
- Price per post ($)
- The price per post used in the calculation, measured in $. Starts at 18 $ so you have a working example on load.
Results
- Estimated total fence cost
- Returned as a money amount in US dollars and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Fence length
- Returned as a whole number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Posts needed
- Returned as a whole number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Fencing material cost
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
How much fence do I need for 1 acre?
About 835 linear feet if the acre is roughly square — an acre is 43,560 square feet, with each side about 208.7 feet.
Is it cheaper per foot to fence a larger lot?
Material cost per foot stays the same, but labor cost per foot often drops on larger contiguous runs since crews spend less time relocating equipment relative to footage installed.
Should I fence for livestock or privacy differently?
Yes — livestock fencing (woven wire, electric) is usually far cheaper per foot than privacy wood or vinyl fencing, so update the price-per-foot field to match your fence type.
Accuracy and limitations
- Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
- Rates are treated as fixed for the whole period — variable-rate products will drift from this projection.
- This is educational maths, not financial advice. Check anything contractual with the lender or your accountant.
Related tools
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). One Acre Fence Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/one-acre-fence-calculator
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/one-acre-fence-calculator" target="_blank" rel="noopener">One Acre Fence Calculator — RevenueLab</a> (2026).</p>
Source: [One Acre Fence Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/one-acre-fence-calculator) (2026).