Is wood privacy fence sensible at this scale?

It is expensive at this scale. Most two-acre boundaries use something cheaper per foot, with privacy fence reserved for the yard near the house. The calculator handles either; use it on the section you actually intend to build.

Does terrain change the material count?

Yes. A fence following a slope needs more material than the flat distance suggests, and stepped fences waste picket length at each step. Measure along the ground, not on a map.

How many post holes is that?

At 8 ft spacing, well over two hundred. Renting a powered auger is worth it, and calling 811 before digging is not optional.

Fence Ledger

How much fencing do I need for 2 acres?

Two acres is 87,120 square feet. At this size the shape of the parcel matters more than at any smaller one, because the absolute difference between a square and a long lot is now hundreds of feet.

If the lot is square

1,181 ft of fence

Most lots are not square. The table below shows what the other shapes need.

What the usual answer misses

At two acres the gap between the square assumption and a 3:1 lot is around 183 feet of fence. That is not a rounding error — at installed rates it is comfortably five figures at the top of the range, and it is the difference between a quote you expected and one you did not.

Same acreage, five shapes

Fence needed for 2 acres at five lot shapes
Lot shape	Dimensions	Fence needed	Extra vs. square
SquareThe shape the usual answer assumes.	295 × 295 ft	1,181 ft	the usual answer
3:2Slightly deeper than wide — common on newer plots.	241 × 361 ft	1,205 ft	+24 ft$609–1,339 installed
2:1A typical suburban lot.	209 × 417 ft	1,252 ft	+72 ft$1,790–3,939 installed
3:1Deep and narrow, common in older subdivisions.	170 × 511 ft	1,363 ft	+183 ft$4,566–10,046 installed
4:1A long strip — a flag lot or an infill plot.	148 × 590 ft	1,476 ft	+295 ft$7,379–16,234 installed

Cost column uses the site's verified installed range of $25–55 per linear foot for wood privacy fence. Ranges are national planning figures, not quotes.

Work out your own

Every assumption above is editable. Change the length, the spacing, the hole size — the numbers and the working update as you go.

Units

Shape

Fence length

Height

Gates

Advanced options

These are typical values, not requirements. Post depth in particular is governed by your local frost line and building code — check before you dig.

Post spacing

Gate width

Picket gap

Hole diameter

Hole depth

Gravel base

Bag yield

Waste allowance

Posts

150

Sections

148

Pickets

2,703

Concrete

250 bags

Estimated cost

Materials only (DIY)

$9,648 – $24,220

Professionally installed

$29,725 – $65,555

National planning ranges compiled from published US construction cost guides, last checked September 2026 (confidence: medium-low). Prices vary sharply by region, season and contractor. These are estimates for planning, not quotes.

Sources: homeguide.com, calcsummit.com, angi.com, ergeon.com, homewyse.com

Shopping list

Bill of materials for this fence
Material	Size	Quantity
Posts	4x4	150
Rails incl. waste	2x4	489
Pickets incl. waste	1x6	2,703
Concrete mix		250bags
Gravel		55bags
Exterior screws		≈17,500
Walk gate kit		1

Why these numbers

How we got the section count

Run 1: 1,177 ft ÷ 8 ft = 147.13, rounded up to 148 sections

How we got the post count

3 posts are fixed by the shape itself
2 at the open ends
1 carrying a gate
147 line posts spaced between them
150 posts in total

How we got the picket count

Each picket covers 5.5 in plus a 0.25 in gap, so they repeat every 5.75 in
1,177 ft of fence needs 2,457 pickets
Plus 10% for offcuts, rounded up to 2,703

How we got the concrete

Each 10 in hole is 30 in deep, less 4 in of gravel base, leaving 26 in of concrete
The 4x4 post itself takes up part of that, so each hole needs the remainder
Across 150 posts
Divided by the 0.6 cu ft a bag yields: 249.35, so buy 250 bags

Common questions

Is wood privacy fence sensible at this scale?: It is expensive at this scale. Most two-acre boundaries use something cheaper per foot, with privacy fence reserved for the yard near the house. The calculator handles either; use it on the section you actually intend to build.
Does terrain change the material count?: Yes. A fence following a slope needs more material than the flat distance suggests, and stepped fences waste picket length at each step. Measure along the ground, not on a map.
How many post holes is that?: At 8 ft spacing, well over two hundred. Renting a powered auger is worth it, and calling 811 before digging is not optional.