Physics

Volumetric Flow Rate

Flow rate through a cross-section.

Formula

Formula
Q = A · v

Variables

SymbolDefinitionType & rangeUnitsRole
A cross-section area (m²) real number (ℝ) input
v flow speed (m/s) real number (ℝ) m/s input

Try it yourself

Interactive calculator
Result

Worked examples

Example 1
Givenarea (m²) = 0.01, speed (m/s) = 2
Result0.02
Example 2
Givenarea (m²) = 0.5, speed (m/s) = 1.5
Result0.75