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Kitchen Hood CFM Calculator

Estimate residential wall or island kitchen hood airflow in CFM and m³/h using HVI width-based guidance.

Kitchen Hood CFM Calculator

FREE ONLINE TOOL
Formula and assumptions

CFM = width in feet × 100 (wall) or 150 (island); m³/h = CFM × 1.69901079552.

Residential width-based HVI brochure recommendation (2008), not a commercial kitchen design or a building-code minimum. Actual equipment, cooking load, duct pressure, make-up air and manufacturer requirements can change selection.

36-inch wall hood: 300 CFM ≈ 509.70 m³/h.

HVI — residential range hood brochure (2008)

STEP BY STEP

How to use kitchen hood cfm calculator

  1. Check the input units and assumptions.
  2. Review the result and example.

IN PRACTICE

Example

36-inch wall hood: 300 CFM ≈ 509.70 m³/h.

GOOD TO KNOW

Which formula and assumptions are used?

CFM = width in feet × 100 (wall) or 150 (island); m³/h = CFM × 1.69901079552. Residential width-based HVI brochure recommendation (2008), not a commercial kitchen design or a building-code minimum. Actual equipment, cooking load, duct pressure, make-up air and manufacturer requirements can change selection.

Practical guides

Duct Size Calculation: Convert CFM or m³/h to Duct Dimensions →

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