Incandescent watts to CFL watts
Type a value in W incandescent to get it in W CFL instantly.
26.67W CFL
That's about the same as a bright kitchen light. Swapping that incandescent for an LED saves about 27.03 a year.
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 W incandescent to W CFL
Incandescent watts follow a table: 40 W = 450 lm, 60 W = 800 lm, 100 W = 1,600 lm. LED watts = lumens ÷ 90.
Example: 100 W incandescent = 26.6667 W CFL.
Every unit
That light from every kind of bulb
Tables
W incandescent to W CFL conversion table
| W incandescent | W CFL |
|---|---|
| 25 W incandescent | 4.16667 W CFL |
| 40 W incandescent | 7.5 W CFL |
| 60 W incandescent | 13.3333 W CFL |
| 75 W incandescent | 18.3333 W CFL |
| 100 W incandescent | 26.6667 W CFL |
| 150 W incandescent | 43.3333 W CFL |
| 200 W incandescent | 65 W CFL |
W CFL to W incandescent conversion table
| W CFL | W incandescent |
|---|---|
| 4.17 W CFL | 25.015 W incandescent |
| 7.5 W CFL | 40 W incandescent |
| 13.3 W CFL | 59.8857 W incandescent |
| 18.3 W CFL | 74.9 W incandescent |
| 26.7 W CFL | 100.1 W incandescent |
| 43.3 W CFL | 149.9 W incandescent |
| 65 W CFL | 200 W incandescent |
Quick answers
Quick answers
- How many W CFL is 100 W incandescent?
- 100 W incandescent is 26.6667 W CFL.
The units
About these units
Incandescent watts (W incandescent)
The old bulb’s wattage, from the Energy Star equivalence table.
CFL watts (W CFL)
A compact fluorescent bulb, about 60 lm/W.
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