Inflection Point Engineering Calculators

Pressure Drop Calculator

Darcy–Weisbach frictional pressure drop for incompressible single-phase liquid flow, including elevation. Friction factor from the Swamee–Jain explicit approximation to the Colebrook equation.

Method: Darcy–Weisbach equation with Swamee–Jain explicit approximation to the Colebrook–White friction factor. Source: Crane Technical Paper No. 410; Perry’s Chemical Engineers’ Handbook, Section 6. Valid for fully turbulent, single-phase incompressible flow.