What does 1 acre look like in feet?

One acre is 43,560 square feet. As a square it measures about 208.7 × 208.7 feet; the classic surveyor's acre is a 66 × 660 ft strip. Any shape that encloses 43,560 square feet is exactly one acre.

How many acres is a football field?

A football field including both end zones is 360 × 160 ft, or 57,600 square feet — about 1.32 acres. The playing field alone, 300 × 160 ft between the goal lines, is about 1.1 acres. Either way it is a handy yardstick for picturing any acreage in this chart.

How can I see an acreage on my own property?

Open the size you want from the chart above and search your address on its map. The page drops a square of exactly that acreage on the satellite imagery, and you can drag it anywhere to compare it with buildings, fields and roads you know.

How Big Is Each Acreage? A Land Size Chart

An acre is 43,560 square feet — a square about 208.7 feet on each side. The chart below lists every land size we cover, from half an acre to 100 acres, with its area, the side of an equal square and how many football fields it holds. Open any size to drop it on your own address.

Updated October 19, 2026

Land size chart

Size	Square feet	Square (ft per side)	Hectares	Football fields
Half an acre	21,780	147.6 × 147.6	0.20	0.4
1 acre	43,560	208.7 × 208.7	0.40	0.8
2 acres	87,120	295.2 × 295.2	0.81	1.5
5 acres	217,800	466.7 × 466.7	2.02	3.8
10 acres	435,600	660 × 660	4.05	7.6
20 acres	871,200	933.4 × 933.4	8.09	15.1
40 acres	1,742,400	1,320 × 1,320	16.19	30.3
100 acres	4,356,000	2,087.1 × 2,087.1	40.47	75.6

Every size to scale

To-scale diagram of nested squares from half an acre to 100 acres, with a football field for reference — Nested to scale from one corner: the smallest square is half an acre (147.6 ft per side), the largest 100 acres (2,087.1 ft per side). The green rectangle is a 360 × 160 ft football field.

Doubling an acreage stretches each side of its square by only about 41%, which is why 100 acres looks smaller than people expect: its square is 10 times as wide as a single acre, not 100 times.

How to picture an acreage

Acreage is area, not shape. An acre can be a 208.7 ft square, a 66 × 660 ft strip (one chain by one furlong, the surveyor's original acre) or any irregular boundary that adds up to 43,560 square feet. Comparing sizes as squares is simply the easiest way to see them side by side — see how big is an acre for the full set of acre shapes.

Football fields are the most familiar yardstick. A full field with end zones is 360 × 160 ft — 57,600 square feet, or about 1.32 acres — so 5 acres is roughly 3.8 fields and 100 acres about 75.6. The football field page shows the math with and without end zones.

Much of rural America is still laid out on the Public Land Survey System grid: a section is one square mile (640 acres), a quarter section is 160 acres, and a quarter-quarter section is 40 acres — the original “forty.” When a listing mentions “the north forty” or “a quarter,” that is the survey grid speaking.

Sizes also cluster around how people use land: under an acre for a house and yard, 2 to 5 acres for a homestead with a few animals, 10 to 40 acres for a small farm or private hunting ground, and 100 acres or more for working farms and timber. Each size page covers what typically fits, how much fence it takes and how long its edge is to walk.

For a field check, walk it: the edge of a square 10 acres is about 0.5 miles around and takes about 10 minutes at a normal 3 mph pace, while a square 40 acres takes about 20. To measure land you already own, trace its boundary with the acreage calculator or convert a known figure with acres to square feet.

Compare with familiar things

How big is an acre?Football field in acres Measure your lot

Frequently asked questions

How many acres is a square mile?: A square mile is 640 acres — one full section of the Public Land Survey System. A quarter section is 160 acres and a quarter-quarter section is 40 acres, which is why so many rural parcels are sold in multiples of 40.
What does 1 acre look like in feet?: One acre is 43,560 square feet. As a square it measures about 208.7 × 208.7 feet; the classic surveyor's acre is a 66 × 660 ft strip. Any shape that encloses 43,560 square feet is exactly one acre.
How many acres is a football field?: A football field including both end zones is 360 × 160 ft, or 57,600 square feet — about 1.32 acres. The playing field alone, 300 × 160 ft between the goal lines, is about 1.1 acres. Either way it is a handy yardstick for picturing any acreage in this chart.
How can I see an acreage on my own property?: Open the size you want from the chart above and search your address on its map. The page drops a square of exactly that acreage on the satellite imagery, and you can drag it anywhere to compare it with buildings, fields and roads you know.

Sources

NIST — Revised Unit Conversion Factors (U.S. survey foot) — 1 acre = 43,560 sq ft = 10 square chains = 4,046.86 m².
NFL Rulebook, Rule 1 — The Field — A football field is 360 × 160 ft including both end zones.
Public Land Survey System (Wikipedia) — A section is 1 square mile (640 acres); a quarter-quarter section is 40 acres.