LENGTH: Kilometer, Meter, League, Mile, Yard, Feet, Inches VOLUME: Cubic meter, Liter, Gallon, Pint, Liquid Oz, Cubic yard, Cubic feet, Cubic inches, Cup MASS: Tone, Kilonewton, Kilogram, Gram, Carat, Pound AREA: Square kilometer, Hectare, Square meter, Square mile, Acre, Square yard, Square feet, Square inches SPEED: km/s, m/s, km/h, Mile per hour (mph), Knot
