Lumens to incandescent watts
Type a value in lm to get it in W incandescent instantly.
100W incandescent
That's about the same as a bright kitchen light. Swapping that incandescent for an LED saves about 27.03 a year.
Convert the other way: W incandescent to lm
What it means
How bright is that?
LED and CFL efficacies vary by model (LEDs from 80 to over 150 lm/W); check the lumens on the box. The saving assumes 3 hours a day at 0.30 per kWh.
The math
How to convert lm to W incandescent
Incandescent watts follow a table: 40 W = 450 lm, 60 W = 800 lm, 100 W = 1,600 lm. LED watts = lumens ÷ 90.
Example: 1,600 lm = 100 W incandescent.
Every unit
That light from every kind of bulb
Tables
lm to W incandescent conversion table
| lm | W incandescent |
|---|---|
| 250 lm | 25 W incandescent |
| 450 lm | 40 W incandescent |
| 800 lm | 60 W incandescent |
| 1,100 lm | 75 W incandescent |
| 1,600 lm | 100 W incandescent |
| 2,600 lm | 150 W incandescent |
| 3,900 lm | 200 W incandescent |
W incandescent to lm conversion table
| W incandescent | lm |
|---|---|
| 25 W incandescent | 250 lm |
| 40 W incandescent | 450 lm |
| 60 W incandescent | 800 lm |
| 75 W incandescent | 1,100 lm |
| 100 W incandescent | 1,600 lm |
| 150 W incandescent | 2,600 lm |
| 200 W incandescent | 3,900 lm |
Quick answers
Quick answers
- How many W incandescent is 1,600 lm?
- 1,600 lm is 100 W incandescent.
The units
About these units
Lumens (lm)
Light output.
Incandescent watts (W incandescent)
The old bulb’s wattage, from the Energy Star equivalence table.
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