Ceiling Height Impact Calculator

Perceived room size from ceiling height and furnishing scale.

Room length (ft)

Room width (ft)

Proposed ceiling height (ft)

Baseline ceiling height (ft)

Wall finish cost ($/sq ft)

HVAC cost ($/CFM)

Tab to move between fields

Proportion score (0-100)

Spaciousness index (0-100)

100

Room volume (cu ft)2,700

Additional volume (cu ft)300

Width:height ratio1.67

Extra wall area (sq ft)70

Extra wall cost ($)$560

Extra HVAC cost ($)$225

Lighting increase (%)26.6

Reverberation increase (%)12.5

How to Use This Calculator

Enter Room length (ft), Room width (ft), and Proposed ceiling height (ft).
Set Baseline ceiling height (ft), Wall finish cost ($/sq ft), and HVAC cost ($/CFM).
Review Proportion score (0-100) and Spaciousness index (0-100).
Use Room volume (cu ft) and Additional volume (cu ft) to inform your decision.

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