Suggest a tool

Tell us what tool you wish existed. We build one every week from real user requests.

Build smarter.

Pipe Flow Velocity & Friction Loss

Solve velocity and Hazen-Williams head loss for any diameter.

Result

Velocity

0.04 fps

Status

OK

About this tool

Pick a pipe material and C-factor, enter flow and diameter, and get velocity, friction loss per 100 ft, and a recommended max-velocity check. A go-to for the recurring r/Plumbing 'is 4 fps too high?' threads.

Related tools

More engineering you might find useful.

Other categories

Looking for something different? Browse the rest of the catalog.

Sponsored suggestions

Some links below are affiliate links. We may earn a commission if you purchase through them, at no extra cost to you.