Registered Quality System to ISO 9001:2008
58/60
Form 912
sorinc.com
913-888-2630
Conversions
Pressure
To Convert from: To: Use this formula:
Bar Pounds per Square Inch (psi) bar x 14.504 = psi
Kilo Pascals (kPa) Pounds per Square Inch (psi) kPa x 0.145 = psi
Mega Pascals (MPa) Pounds per Square Inch (psi) MPa x 145 = psi
Kilograms per cm
2
(kg/cm
2
) Pounds per Square Inch (psi) kg/cm
2
x 14.223 = psi
Pounds per Square Inch (psi) Bar psi ÷ 14.504 = bar
Pounds per Square Inch (psi) Kilo Pascals (kPa) psi ÷ 0.145 = kPa
Pounds per Square Inch (psi) Mega Pascals (MPa) psi ÷ 145 = MPa
Pounds per Square Inch (psi) Kilograms per cm
2
(kg/cm
2
) psi ÷ 14.223 = kg/cm
2
Specific Gravity
To Convert from: To: Use this formula:
Kilograms per meter
3
(kg/m
3
) Specific Gravity (SG) kg/m
3
x 0.001 = SG
Pounds per foot
3
(lb/ft
3
) Specific Gravity (SG) lb/ft
3
÷ 62.4 = SG
Degrees API Specific Gravity (SG) 141.5 ÷ (API +131.5) = SG
Specific Gravity (SG) Kilograms per meter
3
(kg/m
3
) SG x 1000 = kg/m
3
Specific Gravity (SG) Pounds per foot
3
(lb/ft
3
) SG x 62.4 = lb/ft
3
Specific Gravity (SG) Degrees API (141.5 ÷ SG) - 131.5 = API
Length
To Convert from: To: Use this formula:
millimeters (mm) Inches (in.) mm ÷ 25.4 = in.
meters (m) Feet (ft.) m x 3.281 = ft.
Inches (in.) millimeters (mm) in. x 25.4 = mm
Feet (ft.) meters (m) ft. ÷ 3.281 = m
Temperature
To Convert from: To: Use this formula:
Degrees Fahrenheit (°F) Degrees Centigrade (°C) (°F - 32) ÷ 1.8 = °C
Degrees Centigrade (°C) Degrees Fahrenheit (°F) (1.8 x °C) + 32 = °F
Fluid Flow Rates
To Convert from: To: Use this formula:
Feet per Second (FPS) Gallons per Minute (GPM) FPS x 448.83 x A1 = GPM
Kilograms per Hour (kg/H) Gallons per Minute (GPM) (kg/H ÷ kg/m
3
) x 4.403 = GPM
Meters per Second (m/s) Gallons per Minute (GPM) m/s x A2 x 15,852 = GPM
Cubic meters per Hour (m
3
/hr) Gallons per Minute (GPM) m
3
/hr ÷ 0.2271 = GPM
Gallons per Minute (GPM) Feet per Second (FPS) GPM ÷ (448.83 x A1) = FPS
Gallons per Minute (GPM) Kilograms per Hour (kg/H) GPM x kg/m
3
÷ 4.403 = kg/H
Gallons per Minute (GPM) Meters per Second (m/s) GPM ÷ (A2 x 15,852) = m/s
Gallons per Minute (GPM) Cubic meters per Hour (m
3
/hr) GPM ÷ 4.4 = m
3
/hr
Variables:
A1 = Area of pipe in square feet (ft
2
)
A2 = Area of pipe in square meters (m
2
)
kg/m
3
= Specific gravity in kilograms/cubic meter
General English-to-Metric unit conversions are listed below.
Mechanical
Level Switches