PangPang ToolsActual pipe inside diameter (mm): 50, Flow (m³/h): 10
Flow section: 0.001963 m²Using these sample input values gives the first labelled output above. Assumes fully filled incompressible pipe; no friction losses or pressure drop.
Construction & Electrical
Pipe Flow Velocity Calculator
About this tool
Pipe Flow Velocity Calculator performs a browser-local calculation using measurements and quantities you control. The results are presented as labelled figures so each number is easy to interpret. Assumes fully filled incompressible pipe; no friction losses or pressure drop.
Pipe volume, flow & paint
Choose a task. Inputs stay in this page only.
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Result
Worked examples
Questions & answers
Can I use the default numbers for purchasing or safety certification?
No. Replace the examples with your real values. Assumes fully filled incompressible pipe; no friction losses or pressure drop.
MAKE IT SIMPLE
Result
Worked examples
Actual inside diameter (mm) 50 · Pipe length (m) 40
First calculated quantity: 0.00196350 m²Find how many litres a length of round pipe holds from its clear inside diameter. Use actual internal diameter rather than nominal trade diameter; fittings are excluded.
MAKE IT SIMPLE
Result
Worked examples
Outside diameter (mm) 100 · One pipe length (m) 30 · Pipe count 10 · Number of coats 2
First calculated quantity: 9.42478 m²Measure outside pipe coating area using diameter, run length, count and coats. Uses smooth straight cylinders; elbows, supports and overlaps need separate takeoff.