An acre is equivalent to approximately 4,046.86 square meters. This measurement is commonly used in land area calculations, particularly in the United States and the United Kingdom. An acre is often visualized as a rectangular plot measuring 40 meters by 100 meters, though it can take various shapes.
1 acre equates to 4,046.85642 square meters.
1 acre is 4046.873 square metres
1/4 of an acre is about 1,011.7 square meters.
Strictly speaking, it has to be square metres as the units are different (it'd be like comparing seconds to grams). 4,046.85642 metres squared is equal to one acre. Hope this helps!
1m
1.64 m
430cm
1500 meters
400
one kilometer
3,000' is 914.4m
About 0.000247105381 acres are equal to 1 square meter. or ~4000 sqm in one acre