In Metric:
1 km = 1000 m
1 m = 1000 mm
1 Ton = 1000 kg
1 kg = 1000 gram
1 m3 = 1000 dm3 =1000 liter
1 liter = 1000 ml = 1000 cc
100 Celsius, water is boiling
0 Celsius, water is freezing
Imperial
1 mil = 1760 yard
1 yard = 3 feet
1 feet = 12 inch
1 pound = 16 ounce
1 barrel oil = 42 gallon
1 gallon = 231 in3
212 Fahrenheit, water is boiling
32 Fahrenheit, water is freezing
This is why i hate imperialism