MTH Pumps - Pressure Conversions

Type a value in any of the fields to convert between Pressure measurements

(Based on Water Properties)

Pounds per square in gauge, or psig, is a measure of pressure—but only a measurement of gauge pressure. This means that it is measured with respect to the atmospheric pressure. The unit to measure psig is psi. PSIg

Feet of head is the pressure differential and the specific gravity of the liquid being pumped, or: Ft = (2.31 x psi) / Specific Gravity. Feet of Head

Head is the height given by the pump to the fluid that is measured in a liquid column [m.l.c.] or simply indicated in meters [m]. The given head is fluid independent: different fluids. with different specific gravities are all lifted at the same height. Meters of Head

The bar is a metric unit of pressure, but not part of the International System of Units (SI). It is defined as exactly equal to 100,000 Pa (100 kPa), or slightly less than the current average atmospheric pressure on Earth at sea level (approximately 1.013 bar). Bar

kilopascal (kPa), one thousand times the unit of pressure and stress in the meter-kilogram-second system (the International System of Units [SI]). It was named in honour of the French mathematician-physicist Blaise Pascal (1623–62). kPa

MegaPascal (abbrev. MPa) - A basic unit of pressure or tension measurement in the International System of Weights and Measures. 1 MPa = 145 psi, 1 MPa = 1 N/mm2. For oil field applications, units of measurement smaller than 1 psi usually have little meaning. Units of MPa may often appear with a decimal. MPa

The pascal (symbol: Pa) is the unit of pressure in the International System of Units (SI), and is also used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. Pascal

Other Pump Conversion Formulas

Pressure Conversions
Flow Conversions
Temperature Convertions
Vacuum Conversions
Speed Change (Affinity Laws)
Weight Converter
Length Converter
Viscosity Conversion
Volume Conversion and Calculations of Cylinders, Squares, and Rectangles
Pipe Velocity & Minimum Pipe Diameter
Required Pump Horsepower
Net Positive Suction Head Available (NPSHA)
Total Dynamic Head
Horsepower Conversion
Density to Specific Gravity