Square meters to acres

1 square meter = 0.000247105 acres

Type a value in square meters (m²) to get acres (ac) straight away. A square meter is smaller than an acre, so the number goes down. Both units belong to area, measured here against the square meter.

FromTo0.00024710538

1 m² = 0.00024710538 ac

Formula

ac = m² × 0.00024710538

One square meter is 0.00024710538 acres, so multiply by that factor. You can also divide by 4,046.86, the number of square meters in one acre. Here m² is the value in square meters and ac is the result in acres.

Worked example: 100 square meters × 0.00024710538 = 0.0247105 acres.

Square meters to acres table

square meters (m²)	acres (ac)
1 m²	0.000247105 ac
2 m²	0.000494211 ac
3 m²	0.000741316 ac
4 m²	0.000988422 ac
5 m²	0.00123553 ac
6 m²	0.00148263 ac
7 m²	0.00172974 ac
8 m²	0.00197684 ac
9 m²	0.00222395 ac
10 m²	0.00247105 ac
15 m²	0.00370658 ac
20 m²	0.00494211 ac
25 m²	0.00617763 ac
30 m²	0.00741316 ac
40 m²	0.00988422 ac
50 m²	0.0123553 ac
60 m²	0.0148263 ac
75 m²	0.0185329 ac
100 m²	0.0247105 ac

Everyday square meters in acres

What it is	m²	ac
a small bedroom	10 m²	0.00247105 ac
a one-bedroom flat	50 m²	0.0123553 ac
a family apartment	100 m²	0.0247105 ac
a doubles tennis court (about)	261 m²	0.0644945 ac
a football pitch (about)	7,140 m²	1.76433 ac

Quick estimate in your head

Multiply by about 0.00025. For 100 m² that gives 0.025 ac against an exact 0.0247105 ac, an error of 1.2%.

About the units

Square meter (m²). A square 1 m on each side. The SI unit of area, used for flats outside the US and India.

Acre (ac). 43,560 square feet or about 4,047 m². Used for farmland and estates in India, the US and UK.

Going the other way, 1 acre is 4,046.86 square meters.

Questions

How many acres are in 1 square meter?

1 square meter is 0.000247105 acres, and 1 acre is 4,046.86 square meters.

How do I convert square meters to acres?

Use ac = m² × 0.00024710538. For example, 100 square meters × 0.00024710538 = 0.0247105 acres.

Is the square meter to acre factor exact?

Yes, the definitions are exact, so the factor is exact. Results here are rounded to 6 significant digits for display.

How much is a football pitch in acres?

7,140 m² is 1.76433 ac.

Source for the conversion factor: NIST Handbook 44, Appendix C (units of area).

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