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🌊 Flow Velocity
V = Q / A. Velocity from flow rate and pipe diameter.
The Mixadù Flow Velocity is a free online calculator that v = Q / A. Velocity from flow rate and pipe diameter. It runs entirely in your browser — no sign-up, no uploads, and your inputs never leave your device. Supported units include GPM, LS, CFS, M3H, MGD, IN, MM.
- Instant results as you type
- Free — no login or sign-up
- Private: runs entirely in your browser
- Part of the 91-tool Engineering Toolkit
Frequently asked questions
Is the Flow Velocity free?
Yes. The Flow Velocity is completely free, with no login or sign-up.
Are my inputs uploaded anywhere?
No. The Flow Velocity runs entirely in your browser; your inputs never leave your device.
Which units does the Flow Velocity support?
It supports GPM, LS, CFS, M3H, MGD, IN, MM.
Does the Flow Velocity work on mobile?
Yes. It is fully responsive and works on phones and tablets.