🗺️ Area converter

Acre to Square Meter Converter

Convert acres (ac) to square meters (m²) instantly with the exact formula, a conversion table and chart.

ac

Results

Square Meters
4,046.8564224 m²
Same value in every unit

📊 Acre to Square Meter chart

Acre to Square Meter — plotted against acre (ac).

How to convert acres to square meters

To convert acres to square meters, multiply by 4,046.8564224. Area conversions are essential for real estate, flooring, land surveys, farming and map reading.

m² = ac × 4,046.8564224 ac = m² ÷ 4,046.8564224
Acre to Square Meter conversion – ac to m² formula illustration
Acre (ac) → Square Meter (m²) at a glance.

Acre to Square Meter conversion table

Acre (ac)Square Meter (m²)
0.1 ac404.68564224 m²
0.5 ac2,023.4282112 m²
1 ac4,046.8564224 m²
2 ac8,093.7128448 m²
3 ac12,140.5692672 m²
4 ac16,187.4256896 m²
5 ac20,234.282112 m²
10 ac40,468.564224 m²
20 ac80,937.128448 m²
25 ac101,171.41056 m²
50 ac202,342.82112 m²
100 ac404,685.64224 m²
500 ac2,023,428.2112 m²
1,000 ac4,046,856.4224 m²

About the units

Acre (ac)

An acre equals 43,560 square feet (4,046.8564224 m²) and is used for land in the US and UK.

Square Meter (m²)

The square meter is the SI unit of area, used for floor space and property listings worldwide.

How to use this converter

  1. Type the number of acres (ac) in the input box.
  2. The result in square meters appears instantly — no button needed.
  3. See the same value in every other area unit just below.
  4. Use “Swap units” to convert square meters back to acres.

Tips for better results

  • Double-check which system a unit belongs to (for example US vs UK gallons).
  • Use the swap button to convert in the opposite direction instantly.
  • Bookmark the conversions you use most — each pair has its own page.

Frequently asked questions

How many square meters are in one acre?

One acre equals 4,046.8564224 square meters. 4,046.8564224 is the exact factor used by this converter.

How do I convert acres to square meters?

Multiply the value in acres by 4,046.8564224. To go the other way, multiply square meters by 0.000247105381467.

What is 10 ac in m²?

10 ac = 40,468.564224 m². Also, 5 ac = 20,234.282112 m² and 100 ac = 404,685.64224 m².

What is the difference between a acre and a square meter?

An acre equals 43,560 square feet (4,046.8564224 m²) and is used for land in the US and UK. The square meter is the SI unit of area, used for floor space and property listings worldwide.

Is this tool free and private?

Yes — the Acre to Square Meter is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.

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