lm/in²
Lumen per Square Inch
Imperial System

Lumen per Square Inch (lm/in²)

Lumens per square inch (lm/in²) equals 1,550 lux or 144 foot-candles. Used for high-intensity illumination of small areas: display lighting, inspection systems, and microscopy. One lm/in² = 144 lm/ft². Rarely used; lux or foot-candles preferred.

Convert From Lumens per Square Inch

Convert To Lumens per Square Inch

Conversion Factors

1 lm/in² 1550.0031 lx
1 lm/in² 0.0015500031 mlx
1 lm/in² 1.5500031 klx
1 lm/in² 0.0015500031 Mlx
1 lm/in² 1550.0031 lm/m²
1 lm/in² 0.15500031 lm/cm²
1 lm/in² 144 fc
1 lm/in² 144 lm/ft²
1 lm/in² 0.15500031 ph
1 lm/in² 155.00031 mph
1 lm/in² 0.0001550003 kph
1 lm/in² 1550003.1 nx

Related Units