Chapter 2
vi SCS 4000/5000 Series™ Installation & Operation Manual
Unit Definitions and Conversions
Unit of Measure Definitions
Unit of Measure Conversions
To convert the METER CAL value into the selected unit of measure, divide the original number printed on the
Flow Meter label by the desired conversion value.
Abbreviation Definition Abbreviation Definition
GPM Gallons per Minute PPK Pounds per 1,000 square feet
L/min Liters per Minute mm Millimeters
dL/min Deciliters per Minute cm Centimeters
PSI Pounds per Square Inch dm Decimeters
kPa Kilopascal m Meter
GPA Gallons per Acre MPH Miles per Hour
L/ha Liters per Hectare km Kilometers
mL/ha Milliliters per Hectare km/h Kilometers per Hour
GPK Gallons per 1,000 Square Feet US Volume per Acre
PPM Pounds per Minute SI Volume per Hectare
kg/min Kilograms per Minute TU Turf Units (Volume per 1,000 Square Feet)
PPA Pounds per Acre [ ] Metric Values
kg/ha Kilograms per Hectare { } Turf Unit Values
Fluid Ounces Conversion Formula Liters Conversion Formula Pounds Conversion Formula
Original METER CAL Number
128
Original METER CAL Number
3.785
Original METER CAL Number
Weight of One Gallon of Product
Liquid Area
• 1 U.S gallon = 128 fluid ounces • 1 square meter = 10.764 square feet
• 1 U.S. gallon = 3.785 liters • 1 hectare = 2.471 acres or 10,000 square meters
• 1 U.S. gallon = 0.83267 imperial gallons • 1 acre = 0.405 hectares or 43,560 square feet
• 1 U.S. gallon = 8.34 pounds (water) • 1 square mile = 640 acres or 258.9 hectares
Length 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