Konversi unit massa, panjang, dan area

Area
1 kilometer persegi (km2) = 100 hektar (ha) = 247.1
acre (acre) = 0,386 mil persegi (mil2) 1 meter persegi (M2) = 10,764 kaki persegi (FT2) 1 arena (acre) = 100 meter persegi)(m2)
1 hektar (ha) = 10000 meter persegi (m2) = 2.471 hektar (acre) 1 mil persegi (mil2) = 2.590 kilometer persegi (km2) 1 acre (acre) = 0,4047 hektar (ha) = 40.47*
10-3 kilometer persegi (km2) = 4047 meter persegi (M2)
1 kaki persegi (FT2) = 0,093 meter persegi (M2) 1 inci persegi (IN2) = 6,452 sentimeter persegi (CM2) 1 halaman persegi (YD2) = 0,8361meter persegi (M2)
Kualitas
1 ton (t) = 1000 kilogram (kg) = 2205 pound (lb) =
1.102 ton pendek (sh.ton) = 0,934 ton panjang (long.ton) 1 kilogram (kg) =2,205 pound (lb) 1 ton pendek (sh.ton) = 0,907 ton (t) = 2000 pound (1b)
1 ton panjang (long.ton) = 1,016 ton (t) 1 pon (lb) = 0,454 kilogram (kg) 1 ons (oz) = 28.350 gram (g)