Equipment Sizing Calculators - for design of storage tanks, 2 phase / 3 phase separators, heat exchangers etc.
Instrumentation Sizing calculators - for sizing of control valves, relief valves, rupture disks etc.
Pressure drop calculators - estimate pressure drop for fluid flowing through different piping systems, heat exchanges, valves etc.
Piping dimensions - determine the exact dimensions for different sizes of pipes, tubes and accessories.
Physical properties - estimate different physical properties of fluids like, density, viscosity, specific heat etc. to be used in other engineering calculations.