Online Pump Power calculator. Pump Power Formulas: Imperial Units: P = (Q * H * SG) / (3960 * η) where: P = power, horse power. H = head, ft. Q = flow, gpm. SG = specific gravity. η= pump efficiency, decimal. SI Units: P = (Q * H * SG) / (367 * η) where: P…

Online Pump Head calculator. Pump Head Formulas: Imperial Units: H = (2.31 ( Pd – Ps) / SG) + (Vd2 – Vs2) / 2g + (Zd – Zs) – Hf where: H = pump head, ft. Hf = friction loss, ft. PS = suction pressure, psia. Pd = discharge pressure, psia. SG = specific gravity.…

Online Net Positive Suction Head Calculator. Net Positive Suction Head Formulas: Net Positive Suction Head Formulas In terms of head. Imperial Units: NPSH= Ha – Hvpa + Hst – Hfs. where: NPSH = net positive suction head at reference point (usually center line of the impeller), ft. Ha = absolute pressure of the suction vessel, ft. Hvpa…

Online Mass Flow to Volumetric Flow calculator. Mass Flow to Volumetric Flow Formulas: Imperial Units: Q = ṁ / (500 * SG)= ṁ / (8.02 * ρ). where: Q = flow, gpm. ṁ= mass flow, lbm/h. ρ= Fluid Density, lbm/ft3. SI Units: Q = ṁ / ρ. where: Q = flow, gpm. ṁ= mass flow, lbm/h. ρ= Fluid Density, lbm/ft3.  

Pump head calculator: Online pump head calculator. Pressure to Head Formulas: Imperial Units: H=(2.31 * (P)) /SG where: H= Head, ft. P= Pressure, psi. SG= Specific Gravity. SI Units: H=(10.2 * (P)) /SG where: H= Head, m. P= Pressure, bar. SG= Specific Gravity. Convert from Pressure – Pounds per Square Inch (psi) to Head of…