Conversions and Formulas

Length	1 inch = 2.54 cm
	1 inch = 25.4 mm
	1 foot = 30 cm
Area	1 acre = 43,560 sq ft
	1 acre foot = 325,851 gallons
Volume	1 gallon = 3.8 L
Weight	1 lb = 0.45 kg
Power	1 HP = 746 Watts
	Watts = Amps x Volts
	Amps = Watts ÷ Volts