Length - km, miles, meters, feet, inches
Weight - kg, lbs, grams, ounces
Temperature - Celsius, Fahrenheit, Kelvin
Volume - Liters, gallons, cups, fl oz
Area - Square meters, feet, acres
Speed - km/h, mph, m/s, knots
Time - Seconds, minutes, hours, days
Data Size - B, KB, MB, GB, TB, PB