Chapter 24 SCS 450 Serial Interface Installation & Service ManualUnit Definitions and ConversionsUnit of Measure DefinitionsUnit of Measure ConversionsTo convert the METER CAL value into the a unit of measure, divide the original number printed on the FlowMeter label by the desired conversion unit of measure value.Abbreviation Definition Abbreviation DefinitionGPM Gallons per Minute cm Centimeterslit/min Liters per Minute dm Decimetersdl/min Deciliters per Minute m MeterPSI Pounds per Square Inch MPH Miles per HourkPa Kilopascal km KilometersGPA Gallons per Acre km/h Kilometers per Hourlit/ha Liters per Hectare US Volume per Acreml/ha Milliliters per Hectare SI Volume per HectareGPK Gallons per 1,000 Square Feet TU Volume per 1,000 Square Feetmm Millimeters [ ] Metric NumbersFluid Ounces Conversion Formula Liters Conversion Formula Pounds Conversion FormulaOriginal METER CAL Number128Original METER CAL Number3.785Original METER CAL NumberWeight of One Gallon of ProductLiquid Area• 1 US Gallon = 128 fluid ounces • 1 square meter = 10.764 square feet• 1 US Gallon = 3.785 liters • 1 hectare = 2.471 acres or 10,000 square meters• 1 US Gallon = 0.83267 imperial gallons • 1 acre = 0.405 hectares or 43,560 square feet• 1 US Gallon = 8.34 pounds (water) • 1 square mile = 640 acres or 258.9 hectaresLength Pressure• 1 millimeter (mm) = 0.039 inches • 1 psi = 6.89 kPa• 1 centimeter (cm) = 0.393 inches • 1 kPa = 0.145 psi• 1 meter (m) = 3.281 feet• 1 kilometer (km) = 0.621 miles• 1 inch = 25.4 mm or 2.54 cm• 1 mile = 1.609 km