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.
1 acre = 4046.86 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.
506 sq metres, approx.
2024 square metres approx