1 acre
4,047 m² - Area; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
NIST — SI conversion factors1 hectare is about 2.47 times 1 acre.
Too small to see at this scale. The ring marks its true-scale position, not its area. The shape has not been enlarged.
Too small to see at this scale. The ring marks its true-scale position, not its area. The shape has not been enlarged.
Both shapes share one area scale. Known rectangular footprints keep their physical sides. Other shapes are equal-area squares, not maps; they do not prove a physical fit.
4,047 m² - Area; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
NIST — SI conversion factors10,000 m² - Area; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
NIST — SI conversion factorsA hectare is 10,000 square metres. An acre uses the international foot definition. Both measure area, regardless of the shape of the land.
There’s always another scale
Side by side

Illustrative artwork · not to scale
Illustrative artwork · not to scale
Illustrative artwork · not to scale
Illustrative artwork · not to scaleGot a good eye for scale?