1. What is an Acre?

An acre is a unit of land area used in the imperial and US customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly 43,560 square feet.

2. How the Calculation Works

The calculator uses the simple formula:

Where:

• 43,560 — Number of square feet in one acre

Explanation: This conversion divides your total square footage by the number of square feet in one acre to determine how many acres your area equals.

3. Practical Applications

Details: Acre calculations are essential in real estate, agriculture, land development, and surveying. Knowing acreage helps determine property value, agricultural yields, and development potential.

4. Using the Calculator

Tips: Simply enter the area in square feet. The calculator will instantly convert it to acres. For best results, use precise measurements.

5. Frequently Asked Questions (FAQ)

Q1: Why is an acre 43,560 square feet?
A: This originates from the medieval English definition of an acre as the area a yoke of oxen could plow in one day (1 chain × 1 furlong).

Q2: How big is an acre visually?
A: About 90% of a football field (without end zones), or roughly 208.7 feet × 208.7 feet for a square acre.

Q3: What's the difference between acres and hectares?
A: One hectare equals 2.471 acres. Hectares are used in the metric system.

Q4: Can I calculate acres from other units?
A: Yes, but you must first convert to square feet. For example: 1 square mile = 640 acres.

Q5: How precise should acre measurements be?
A: For most purposes, 2-4 decimal places is sufficient. Legal descriptions may require more precision.