How to convert from phot [ph] to lumen/square foot [lm/ft^2]?

Learn how to convert from other 11 illumination units to phot [ph]

1. How to convert from lux [lx] To phot [ph]?
2. How to convert from phot [ph] To lux [lx]?
3. How to convert from meter-candle [m*c] To phot [ph]?
4. How to convert from phot [ph] To meter-candle [m*c]?
5. How to convert from centimeter-candle [cm*c] To phot [ph]?
6. How to convert from phot [ph] To centimeter-candle [cm*c]?
7. How to convert from foot-candle [ft*c, fc] To phot [ph]?
8. How to convert from phot [ph] To foot-candle [ft*c, fc]?
9. How to convert from flame To phot [ph]?
10. How to convert from phot [ph] To flame?
11. How to convert from nox To phot [ph]?
12. How to convert from phot [ph] To nox?
13. How to convert from candela steradian/sq. meter To phot [ph]?
14. How to convert from phot [ph] To candela steradian/sq. meter?
15. How to convert from lumen/square meter [lm/m^2] To phot [ph]?
16. How to convert from phot [ph] To lumen/square meter [lm/m^2]?
17. How to convert from lumen/square centimeter To phot [ph]?
18. How to convert from phot [ph] To lumen/square centimeter?
19. How to convert from lumen/square foot [lm/ft^2] To phot [ph]?
20. How to convert from phot [ph] To lumen/square foot [lm/ft^2]?
21. How to convert from watt/sq. cm (at 555 nm) To phot [ph]?
22. How to convert from phot [ph] To watt/sq. cm (at 555 nm)?