Convert lux to phots
1 lx = 0.0001 ph — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.0001ph
As a fraction: 1/10000
1 lx = 0.0001 ph
How to convert lux to phots
Multiply the number of lux by 0.0001 to get phots.
The exact factor is 0.0001 — as a fraction, 1/10000.
Lux to Phot conversion table
| Lux (lx) | Phots (ph) |
|---|---|
| 1 lx | 0.0001 |
| 2 lx | 0.0002 |
| 3 lx | 0.0003 |
| 5 lx | 0.0005 |
| 10 lx | 0.001 |
| 20 lx | 0.002 |
| 25 lx | 0.0025 |
| 50 lx | 0.005 |
| 100 lx | 0.01 |
| 250 lx | 0.025 |
| 500 lx | 0.05 |
| 1000 lx | 0.1 |
Phot to Lux conversion table
| Phots (ph) | Lux (lx) |
|---|---|
| 1 ph | 10 000 |
| 2 ph | 20 000 |
| 3 ph | 30 000 |
| 5 ph | 50 000 |
| 10 ph | 100 000 |
| 20 ph | 200 000 |
| 25 ph | 250 000 |
| 50 ph | 500 000 |
| 100 ph | 1 000 000 |
| 250 ph | 2 500 000 |
| 500 ph | 5 000 000 |
| 1000 ph | 10 000 000 |
Frequently asked
How many phots are in a lux?
One lux equals 0.0001 phots (lx → ph). That figure is exact, not rounded.
How do you convert lux to phots?
Multiply the number of lux by 0.0001 to get phots.
What is 1 ph in lux?
One phot is 10000 lux.
What is 10 lx in ph?
10 lx = 0.001 ph.