Physics
Froude Number Calculator
Froude number Fr = v / √(g L).
Free to use — no sign-up or login.
Froude number
Amortization schedule
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This free Froude Number Calculator covers Froude number Fr = v / √(g L).
Froude number compares inertial to gravitational forces in free-surface flows. Related physics tools sit beside How it works, with no account required.
Using the Froude Number Calculator
Froude number Fr = v / √(g L). Typical inputs are Velocity v (m/s), Length L (m) and g (m/s²). How it works beside the form states the identity the Froude Number Calculator applies.
FAQ
How do I use the Froude Number Calculator?
Open the Froude Number Calculator, fill Velocity v (m/s), Length L (m) and g (m/s²), and read the result. Divide velocity by the square root of g times characteristic length.
What formula does the Froude Number Calculator use?
The Froude Number Calculator uses the identity in How it works. In words: Divide velocity by the square root of g times characteristic length.