1 inch (in) = 2.54 centimeters
1 foot (ft) = 0.3048 meter
1 square foot = 0.0929 square meter
1 acre (ac) = 4,046.9 square meters
1 acre = 0.4047 hectare
1 pound (lb) = 0.4536 kilogram
1 ton = 0.9072 metric ton
1 ton = 907.2 kilograms
(°F - 32) (5/9) = °C

1 pound·acre^-1 (lb·acre^-1) = 1.1209 kilogram/hectare
1 pound·acre^-1 = 1.1209 E-04 kilograms/square meter
1 ton·acre^-1 = 0.2242 kilogram/square meter
1 ton·acre^-1 = 2,241.7023 kilograms/hectare
1 ton·acre^-1·inch^-1 = 8.8256 kilograms/cubic meter
1 ton·acre^-1·inch^-1 = 8,825.6 grams/cubic meter
1 ton·acre^-1·inch^-1 = 8.8256 E-03 grams/cubic centimeter