Sistema anglosaxó d'unitats: diferència entre les revisions

* 1 [[Rood]] = 40 rd² = 1.210 id² = 10.890 ft² = 1.568.160 in² = 1011,7141056 m²

* 1 [[acre (unitat de superfície)|acre]] (ac) = 4 roods = 160 rd² = 4.840 id² = 43.560 ft² = 6.272.640 in² = 4046,8564224 m²

* 1 [[milla quadrada]] (sq mi o mi²) = 4 homesteads = 640 ac = 2.560 roods = 102.400 rd² = 3.097.600 yd² = 27878400 ft² = 4014489600 in² = 2,589988110336 km²

* 1 [[llegua quadrada]] = 9 mi² = 36 homesteads = 5.760 ac = 23.040 roods = 921.600 rd² = 27878400 yd² = 250905600 ft² = 36130406400 in² = 23,309892993024 km²