Commercial & Industrial
Cold Storage Lighting Calculator
Account for temperature derating when sizing lighting for refrigerated warehouses, freezers, and cold rooms. LED performance drops in extreme cold — this calculator compensates automatically.
Room & Fixture Inputs
Room Length  50 ft
Room Width  30 ft
Ceiling Height  16 ft
Target Illuminance  20 fc
Fixture Type
Rated Fixture Lumens  10000 lm
Temperature  0°F
Cross-Section View
—
Derating
Temp Factor
—
lm effective
Per Fixture
—
Fixtures
Required
—
fc Achieved
Estimated
Temperature Derating Reference
Scroll to Top

The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.