Units and Conversion

Length
1 Foot = 12 Inch
1 Foot = 30.45 Centimeters
1 Foot = .3048 Meter
1 Yard =  3 Feet
1 Yard = .914 Meter
1 Inch =  2.54 Centimeters
1 Meter = 39.37 Inch
1 Mile =  1.609 Kilo-meters
1 Mile =  1609.34 Meters
1 Mile =  5280 Feet
1 Mile =  1760 Yard
1 Nautical Mile =  1.15078 Mile
1 Kilometers = 1000 Meters

Mass
1 Metric Ton = 1000 Kilogram
1 Kilogram =  1000 Gram
1 Kilogram =  2.20462 Pound
1 Kilogram =  35.274 Ounces
1 Pound = 16 Ounces
1 Pound =453.6 Grams

Volume
1 Gallon = 4 Quart (US)
1 Gallon = 8 Pint   (US)
1 Gallon = 15.77 Cups (US)
1 Gallon = 3.78 Liters

Area
1 Square Kilometer = 0.386 Mile
1 Square Foot = 144 Square inchs
1 Hectare =  2.47 Acre
1 Acre = 0.404686 Hectare
1 Acre = 4046.86 Square Meters
1 Acre = 43560.038 Square feet

Time
1 Hour = 60 Minutes
1 Hour =  3600 Seconds
1 Minute = 60 Seconds
1 Day = 24 Hours
1 Day = 1440 Minutes
1 Day = 86400 Seconds
1 Week = 168 Hours
1 Week = 10080 Minutes