7e9
{{"Distance", {"Millimetre", "Centimetre", "Decimetre", "Metre", "Decametre", "Hectometre", "Kilometre", "Inch", "Foot", "Yard", "Mile", "Nautical Mile", "Bolt", "Caliber", "Chain", "Ell", "Em", "Fathom", "Furlong", "Hand", "Light Year", "Parsec", "Astronomical Unit"}}, {"Area", {"Square MM", "Square CM", "Square DM", "Square M", "Square DaM", "Hectares", "Square KM", "Square Inch", "Square Foot", "Square Yard", "Acre", "Square Mile"}}, {"Volume", {"Cubic MM", "Cubic CM", "Cubic DM", "Cubic M", "Cubic DaM", "Cubic HM", "Cubic KM", "Millilitre", "Centilitre", "Decilitre", "Litre", "Decalitre", "Hectolitre", "Kilolitre", "Cubic Inch", "Cubic Foot", "Cubic Yard", "Cubic Mile", "Fluid ounce", "Pint", "Gallon", "Quart", "Bucket", "Bushel", "Cup", "Gill", "Hogshead"}}, {"Mass/Energy", {"Milligram", "Centigram", "Decigram", "Gram", "Decagram", "Hectagram", "Kilogram", "Tonne", "Ounce", "Pound", "Stone", "Hundredweight", "Ton", "Dram", "Dyne", "Grain", "Joule / Centimetre", "Millijoule", "Centijoule", "Decijoule", "Joule", "Decajoule", "Hectojoule", "Kilojoule", "Btu", "Calorie", "Ergs", "Foot-pound", "Gram-calorie", "Gram-centimetre", "Horsepower-hour", "Kilogram-calorie", "Kilogram-metre", "Kilowatt-Hour", "Watt-hour"}}, {"Temperature", {"Centigrade", "Fahrenheit", "Kelvin"}}, {"Time", {"Day", "Second", "Hour", "Month", "Minute", "Week", "Year"}}, {"Velocity", {"Millimetre / Second", "Centimetre / Second", "Decimetre / Second", "Metre / Second", "Decametre / Second", "Hectometre / Second", "Kilometre / Second", "Millimetre / Minute", "Centimetre / Minute", "Decimetre / Minute", "Metre / Minute", "Decametre / Minute", "Hectometre / Minute", "Kilometre / Minute", "Millimetre / Hour", "Centimetre / Hour", "Decimetre / Hour", "Metre / Hour", "Decametre / Hour", "Hectometre / Hour", "Kilometre / Hour", "Foot / Second", "Yard / Second", "Inch / Second", "Mile / Second", "Foot / Minute", "Yard / Minute", "Inch / Minute", "Mile / Minute", "Foot / Hour", "Yard / Hour", "Inch / Hour", "Mile / Hour"}}}
.

0