Incandescent watts to LED watts
Type a value in W incandescent to get it in W LED instantly.
17.78W LED
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 LED to W incandescent
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 LED
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 = 17.7778 W LED.
Every unit
That light from every kind of bulb
Tables
W incandescent to W LED conversion table
| W incandescent | W LED |
|---|---|
| 25 W incandescent | 2.77778 W LED |
| 40 W incandescent | 5 W LED |
| 60 W incandescent | 8.88889 W LED |
| 75 W incandescent | 12.2222 W LED |
| 100 W incandescent | 17.7778 W LED |
| 150 W incandescent | 28.8889 W LED |
| 200 W incandescent | 43.3333 W LED |
W LED to W incandescent conversion table
| W LED | W incandescent |
|---|---|
| 2.78 W LED | 25.015 W incandescent |
| 5 W LED | 40 W incandescent |
| 8.89 W LED | 60.005 W incandescent |
| 12.2 W LED | 74.9 W incandescent |
| 17.8 W LED | 100.1 W incandescent |
| 28.9 W LED | 150.038 W incandescent |
| 43.3 W LED | 199.885 W incandescent |
Quick answers
Quick answers
- How many W LED is 100 W incandescent?
- 100 W incandescent is 17.7778 W LED.
The units
About these units
Incandescent watts (W incandescent)
The old bulb’s wattage, from the Energy Star equivalence table.
LED watts (W LED)
An LED bulb, about 90 lm/W.
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