You're kidding right?
There is 1 metre in a square metre...hence, 1x1 metre=1^2 metre.
The above is also wrong, there could be said that there are an infinite amount of meters in a square meter or none at all depending on which way you lean philosophically.
The question you ought to ask is: how long is one of the sides of a square meter, in which case the answer is one meter.
2023.43 square metres.
Answer: 1 acre = 4,046.856 m²
0.23 acre is 930.78 square meters.
4047 square meters
1/3 acre is 1348.95 square metres.
2023.43 square metres.
0.20 acre is 809.37 square meters.
Answer: 1 acre = 4,046.856 m²
1/4 acre = 1,011.7 square meters.
0.23 acre is 930.78 square meters.
4047 square meters
Assuming you mean square metres (because metres measure length, whereas the acre is a measure of area), half an acre = approx. 2023.43 square metres. This is often referred in hectares, thus 0.2023 hectares.
1/3 acre is 1348.95 square metres.
According to Wikipedia, the international acre is exactly 4,046.8564224 square metres, and The U.S. survey acre is approximately 4,046.872 609 874 252 square metres.
1 acre = 4046.86 square metres
506 sq metres, approx.
2024 square metres approx