What you provide
What you provide
- Flow cross-sectional area expressed in m^2, using the same scenario as the other inputs
- Average flow speed expressed in m/s, using the same scenario as the other inputs
PHYSICS / FLUID DYNAMICS
Volumetric Flow Rate Calculator
Calculate volume flow rate from cross-sectional area and mean normal speed. Inspect the SI equation, substituted inputs, derived result, and physical limitations in one guided workspace.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Calculate volume flow rate from cross-sectional area and mean normal speed. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
Calculation path
Q=Av
What you receive
What you receive
- Volumetric flow rate in m^3/s from the stated equation
- A symbolic formula plus substituted working with your values
- Visible assumptions, field guidance, and an authoritative learning reference
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
Velocity is represented by the correct area average and flow is normal to the section.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors