Convert lumens to candela steradians
1 lm = 1 cd·sr — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
1cd·sr
More converter tools
Readable results
Ranges, ± tolerances, feet/inches and clock durations work in the value field.
Unit picker
Export this result
1 lm = 1 cd·sr
Show this value in all 5 luminous flux units
- Megalumens Mlm 0.000 001
- Kilolumens klm 0.001
- Lumens lm 1
- Millilumens mlm 1000
- Candela steradians cd·sr 1
Every row is Lumen (lm) converted through the lumen, in exact rational arithmetic.
How to convert lumens to candela steradians
Multiply the number of lumens by 1 to get candela steradians.
The exact factor is 1 .
Lumen to Candela steradian conversion table
| Lumens (lm) | Candela steradians (cd·sr) |
|---|---|
| 1 lm | 1 |
| 2 lm | 2 |
| 3 lm | 3 |
| 5 lm | 5 |
| 10 lm | 10 |
| 20 lm | 20 |
| 25 lm | 25 |
| 50 lm | 50 |
| 100 lm | 100 |
| 250 lm | 250 |
| 500 lm | 500 |
| 1000 lm | 1000 |
Candela steradian to Lumen conversion table
| Candela steradians (cd·sr) | Lumens (lm) |
|---|---|
| 1 cd·sr | 1 |
| 2 cd·sr | 2 |
| 3 cd·sr | 3 |
| 5 cd·sr | 5 |
| 10 cd·sr | 10 |
| 20 cd·sr | 20 |
| 25 cd·sr | 25 |
| 50 cd·sr | 50 |
| 100 cd·sr | 100 |
| 250 cd·sr | 250 |
| 500 cd·sr | 500 |
| 1000 cd·sr | 1000 |
Frequently asked
How many candela steradians are in a lumen?
One lumen equals 1 candela steradians (lm → cd·sr). That figure is exact, not rounded.
How do you convert lumens to candela steradians?
Multiply the number of lumens by 1 to get candela steradians.
What is 1 cd·sr in lumens?
One candela steradian is 1 lumens.
What is 10 lm in cd·sr?
10 lm = 10 cd·sr.