Lux to Kilolux Converter lx → klx
1 lux (lx) = 0.001 kilolux (klx). Type a value below — the conversion happens instantly, entirely on your device.
1 lx = 0.001 klx
1 lux = 0.001 kilolux
1 × 0.001 = 0.001
1 lx equals 0.001 klx, so multiplying by 0.001 converts the value. The result describes the exact same quantity — only the measuring stick changes.
How to convert lux to kilolux
kilolux = lux × 0.001 — multiply the lux value by 0.001.
Example: 10 lx = 0.01 klx.
To convert the other way: lux = kilolux ÷ 0.001 — or use the dedicated klx to lx converter .
Lux to Kilolux conversion table
| Lux (lx) | Kilolux (klx) |
|---|---|
| 0.1 | 0.0001 |
| 0.25 | 0.00025 |
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 4 | 0.004 |
| 5 | 0.005 |
| 6 | 0.006 |
| 7 | 0.007 |
| 8 | 0.008 |
| 9 | 0.009 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 30 | 0.03 |
| 40 | 0.04 |
| 50 | 0.05 |
| 75 | 0.075 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1000 | 1 |
About the units
What is a lux?
The SI unit of illuminance — one lumen per square metre. A brightly lit office is about 500 lux; direct sunlight can exceed 100,000 lux.
What is a kilolux?
One thousand lux — a convenient unit for bright conditions like overcast daylight (about 1–2 klx) or full sun (up to ~100 klx).
Frequently asked questions
How many kilolux are in 1 lux?
1 lux (lx) = 0.001 kilolux (klx).
What is the formula to convert lux to kilolux?
kilolux = lux × 0.001 — multiply the lux value by 0.001.
How do I convert lx to klx without a calculator?
Multiply by 0.001 for a close estimate. Exact factor: 1 lx = 0.001 klx.
Is this lx-to-klx converter accurate and private?
Yes. It uses the exact internationally defined conversion factors and computes results locally in your browser — your input is never sent to a server, and the page keeps working offline.