Candlepower to lumens
Type a value in cp to get it in lm instantly.
10,056lm
That's 3.4× as bright as a projector, while a streetlight is 1.19× brighter. A modern LED would need about 100.6 W to produce it.
What it means
How much light is that?
Lumens measure total light emitted. How bright a room feels also depends on the area lit, which is measured in lux.
The math
How to convert cp to lm
To convert candlepower to lumens, multiply by 12.57.
Example: 800 cp × 12.57 = 10,056 lm.
In the other direction, 1 lm = 0.0795545 cp.
Every unit
Your output in every unit
Tables
cp to lm conversion table
| cp | lm |
|---|---|
| 100 cp | 1,257 lm |
| 250 cp | 3,142.5 lm |
| 400 cp | 5,028 lm |
| 600 cp | 7,542 lm |
| 800 cp | 10,056 lm |
| 1,000 cp | 12,570 lm |
| 1,500 cp | 18,855 lm |
| 2,000 cp | 25,140 lm |
| 3,000 cp | 37,710 lm |
| 5,000 cp | 62,850 lm |
lm to cp conversion table
| lm | cp |
|---|---|
| 100 lm | 7.95545 cp |
| 250 lm | 19.8886 cp |
| 400 lm | 31.8218 cp |
| 600 lm | 47.7327 cp |
| 800 lm | 63.6436 cp |
| 1,000 lm | 79.5545 cp |
| 1,500 lm | 119.332 cp |
| 2,000 lm | 159.109 cp |
| 3,000 lm | 238.663 cp |
| 5,000 lm | 397.772 cp |
Quick answers
Quick answers
- How many lm is 1 cp?
- 1 cp is 12.57 lm.
- How many lm is 10 cp?
- 10 cp is 125.7 lm.
- How many lm is 800 cp?
- 800 cp is 10,056 lm.
The units
About these units
Candlepower (cp)
The old unit: one candela radiating in all directions, about 12.57 lumens.
Lumens (lm)
The total visible light from a source, weighted for the eye’s response.
Keep going