Engineering Guides & Tutorials
Comprehensive guides for hydraulic engineering, fluid dynamics, and pipe system design. Written by engineers, for engineers.
How to Calculate Flow Rate
A complete engineering guide to calculating volumetric and mass flow rates in pipes. Covers formulas, step-by-step methods, unit conversions, and real-world applications.
Pressure Drop in Pipes
Understand the causes, calculations, and solutions for pressure drop in piping systems. Includes the Darcy-Weisbach equation, Moody diagram guidance, and worked examples.
Understanding Reynolds Number
Master the Reynolds number and its role in fluid flow analysis. Learn the formula, how to classify flow regimes, and apply it to real engineering problems with worked examples.
Pressure to Flow Rate
Learn how to convert between pressure and flow rate. Covers Hazen-Williams, Bernoulli, PSI to GPM conversion, and worked examples for residential and industrial systems.
Garden Hose Flow Rate
Complete guide to garden hose flow rates with GPM charts by hose size and water pressure. Includes tips to improve flow and fire hose reference data.
Pipe Flow Rate Charts
Reference tables showing flow rates for standard pipe sizes (1/2" to 12") at recommended design velocities. Imperial and metric charts with sizing guidance.
Free download
Get the printable pipe flow chart
Schedule 40 pipe sizes, water flow in GPM and LPM at four design velocities, and recommended velocities by application. One PDF, made to pin above the bench.
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