In 1 lumen / (square foot steradian) [lm / ft² sr] there is 10763910 lumen / (square kilometer steradian).

candela / square centimeter candela / square foot [cd / ft²] candela / square kilometer candela / square meter [cd / m²] candela / square millimeter candle / square centimeter candle / square foot [cd / ft²] [international] candle / square kilometer candle / square meter [cd / m²] [international] candle / square millimeter lambert [L] lumen / (square centimeter steradian) lumen / (square foot steradian) [lm / ft² sr] lumen / (square kilometer steradian) lumen / (square meter steradian) [lm / m² sr] lumen / (square millimeter steradian)

candela / square centimeter candela / square foot [cd / ft²] candela / square kilometer candela / square meter [cd / m²] candela / square millimeter candle / square centimeter candle / square foot [cd / ft²] [international] candle / square kilometer candle / square meter [cd / m²] [international] candle / square millimeter lambert [L] lumen / (square centimeter steradian) lumen / (square foot steradian) [lm / ft² sr] lumen / (square kilometer steradian) lumen / (square meter steradian) [lm / m² sr] lumen / (square millimeter steradian)