1500 Lux to Foot-Candles
1500 lx ≈ 139.35 fc
1500 lux is approximately 139.35 foot-candles.
How to convert 1500 lx to fc
Use the formula fc = lx ÷ 10.763910417:
fc = 1500 ÷ 10.763910417fc = 139.35456
So 1500 lx = 139.35456 fc, or about 139.35 fc rounded.
Rounded values and quick estimate
- Rounded to a whole number: 139 fc
- Rounded to one decimal place: 139.4 fc
- Conversion factor: 1 lux = 0.0929 foot-candles
Quick mental estimate: divide by 10. For 1500 lx that gives about 150 fc — off by 10.65 fc (7.6%). Use the exact formula when precision matters.
1500 Lux in other units
- Foot-candles
- 139.35 fc
1500 lx and nearby values
| Lux | Foot-candles |
|---|---|
| 1496 lx | 138.98 fc |
| 1497 lx | 139.08 fc |
| 1498 lx | 139.17 fc |
| 1499 lx | 139.26 fc |
| 1500 lx | 139.35 fc |
| 1501 lx | 139.45 fc |
| 1502 lx | 139.54 fc |
| 1503 lx | 139.63 fc |
| 1504 lx | 139.73 fc |
About lux and foot-candles
Lux is the SI unit of illuminance: one lumen per square meter. Offices are typically lit to 300–500 lux.
A foot-candle is one lumen per square foot, about 10.76 lux. US lighting design often uses foot-candles.
Related conversions
Frequently asked questions
What is 1500 Lux in Foot-Candles?
1500 lux is about 139.35 foot-candles (1500 lx ≈ 139.35 fc).
How do you convert 1500 lx to fc?
Apply fc = lx ÷ 10.763910417: fc = 1500 ÷ 10.763910417, fc = 139.35456.
How many lux is 139.35 fc?
139.35 fc is about 1499.95 lux.