Volumetric Flow Rate Calculator

INPUT SUMMARY

Current calculation basis

Entered values: Flow area: 2500 mm² · Mean velocity: 2 m/s

Converted SI values: area = 0.0025 SI · velocity = 2 SI

Engineering interpretation: Using the current inputs, calculate volumetric flow rate in a uniform stream from flow area and mean velocity. The current result is 300 L/min.

ENGINEERING PRINCIPLE

For a uniform incompressible flow section, volumetric flow equals area multiplied by mean velocity.

Calculate volumetric flow rate in a uniform stream from flow area and mean velocity.

FORMULA & VARIABLES

Q = A × v

• Q = volumetric flow rate (m³/s)
• A = flow area (m²)
• v = mean velocity (m/s)

CALCULATION STEPS

How this result is assembled

1. Convert the entered values to the SI basis required by the formula.
2. Apply Q = A × v to the converted values.
3. Report 300 L/min in the selected output presentation and review the stated assumptions.

FORMULA VERIFICATION

Units, scope and reference

Reference: NIST SP 811 for unit relationships; standard classical mechanics and strength-of-materials derivations for the stated scalar relation.

Internal basis: All inputs are converted to the calculator’s SI base before the formula is evaluated.

Valid conditions: Positive finite scalar input values in the current calculator model.

Limitations: Velocity is the mean velocity normal to the flow area. The stream is steady and uniformly distributed at the section. Compressibility and leakage are excluded.

ASSUMPTIONS

Use this result in context

• Velocity is the mean velocity normal to the flow area.
• The stream is steady and uniformly distributed at the section.
• Compressibility and leakage are excluded.

Results must be verified by a qualified engineer and checked against applicable engineering standards, material properties, loading conditions and design requirements.

RELATED CALCULATIONS

Keep exploring