Acreage Calculator

Calculate lot or land size in acres from feet or meters.

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Acreage Calculator

When comparing properties, remember that sellers often round lot sizes — a "quarter-acre lot" may range from 10,000 to 11,000 sq ft. Always verify against the county tax record or a recent survey plat for the exact legal acreage before making an offer.

What This Calculator Does

The Acreage Calculator converts square feet, square yards, or square meters to acres and square feet. Enter the total area in your preferred unit, and get the equivalent in acres - the standard US land measurement unit for lots, subdivisions, and rural property.

Understanding acreage is essential for land purchases, subdivision planning, agricultural use, and large commercial lots. Most US residential lots range from 0.15 to 0.5 acres (6,500 to 22,000 sq ft). Knowing the acreage helps you compare properties, estimate development costs, and comply with local zoning minimum lot sizes.

One acre equals 43,560 square feet - a standard measurement dating back to medieval England that remains the legal standard for US land records. The calculator handles the division so you can focus on comparing properties or planning land use.

How to Use

  1. Determine the total area of your land parcel in square feet, square yards, or square meters.
  2. Select your input unit and enter the area value into the field above.
  3. Click "Calculate" to see the equivalent in acres and square feet.
  4. Use "Copy Result" to save the figure for property comparisons or permit applications.
  5. For irregular-shaped lots, use the Area Calculator first to get the total square footage, then enter that here.

Worked Examples

1

Subdivision Lot Comparison

A buyer is comparing two residential lots: one is 80 x 150 ft and the other is 100 x 200 ft. They want to know the acreage of each for a broad estimate of property value.

  1. Lot 1: 80 ft x 150 ft = 12,000 sq ft. Divide by 43,560 = 0.275 acres.
  2. Lot 2: 100 ft x 200 ft = 20,000 sq ft. Divide by 43,560 = 0.459 acres.
  3. Difference: 20,000 - 12,000 = 8,000 sq ft (0.184 acres).
  4. At a typical suburban land value of $50,000-$80,000 per acre, Lot 2 is worth approximately $9,200-$14,700 more based on size alone.

Result: Lot 1 is 0.28 acres (roughly 1/4 acre); Lot 2 is 0.46 acres (roughly 1/2 acre).

Check local zoning minimum lot size requirements before purchasing — many municipalities require at least 0.25 acres per single-family dwelling, and some suburban zones require 0.5 acres or more.

Reference Table

Acreage reference table - common lot sizes in square feet and acres
Square FeetAcresTypical Lot TypeComparison
5,000 sq ft0.115 acresSmall city lot~1/9 acre
7,500 sq ft0.172 acresStandard city lot~1/6 acre
10,000 sq ft0.230 acresSuburban lot~1/4 acre
20,000 sq ft0.459 acresLarge suburban lot~1/2 acre
43,560 sq ft1.000 acresFull acre1 acre
87,120 sq ft2.000 acresBuilding complex2 acres

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