Conversion Factors for LIGHT

To convert from                      to                                   Multiply by   
candela per square inch (cd/in²)     candela per square meter (cd/m²)     1.550 003 E+03
footcandle                           lux (lx)                             1.076 391 E+01
footlambert                          candela per square meter (cd/m²)     3.426 259 E+00
lambert                              candela per square meter (cd/m²)     3.183 099 E+03
lumen per square foot (lm/ft²)       lux (lx)                             1.076 391 E+01
phot (ph)                            lux (lx)                             1.0 E+04      
stilb (sb)                           candela per square meter (cd/m²)     1.0 E+04      
One lux is equal to 0.0929 foot-candle.