Phot, calculator online, converter conversion table
| Phot to Apostilb | 31 416.902 |
| Phot to Blondel | 31 416.902 |
| Phot to Bril | 3.14 * 1011 |
| Phot to Candela-meter | 10 000 |
| Phot to Candela-steradian per square meter | 10 000 |
| Phot to CentiCandela-meter | 1 |
| Phot to Cloudy noon in summer | 0.833333 |
| Phot to Foot-candle | 929.0304 |
| Phot to Foot-lambert | 2 918.856 |
| Phot to Gray day | 6.666667 |
| Phot to Lumen per square centimeter | 1 |
| Phot to Lumen per square foot | 929.0304 |
| Phot to Lumen per square inch | 6.451613 |
| Phot to Lux (lumen per cubic meter) | 10 000 |
| Phot to MilliPhot | 1 000 |
| Phot to Movie theater screen | 100 |
| Phot to Night with full moon | 50 000 |
| Phot to Night without moon | 10 000 000 |
| Phot to Nit | 10 000 |
| Phot to Noon in summer with clear sky | 0.1 |
| Phot to Nox | 10 000 000 |
| Phot to Skot | 3.14 * 107 |
| Phot to Stilb | 1 |
| Phot to Watt per square centimeter at 555 nm | 0.001464 |