4.2 w = 0.0042 kw. To convert watts to kilowatts, divide by 1,000: 4.2 ÷ 1,000 = 0.0042.
How to convert watts to kilowatts
kw = w × 0.001
- 1 w = 0.001 kw (and 1 kw = 1,000 w).
- Multiply the amount by the factor: 4.2 × 0.001 = 0.0042.
- Answer: 4.2 w = 0.0042 kw.
Shortcut: dividing by 1,000 gives the same result as multiplying by 0.001.
Watts to Kilowatts table
| Watts (w) | Kilowatts (kw) |
|---|---|
| 3.7 w | 0.0037 kw |
| 3.8 w | 0.0038 kw |
| 3.9 w | 0.0039 kw |
| 4 w | 0.004 kw |
| 4.1 w | 0.0041 kw |
| 4.2 w | 0.0042 kw |
| 4.3 w | 0.0043 kw |
| 4.4 w | 0.0044 kw |
| 4.5 w | 0.0045 kw |
| 4.6 w | 0.0046 kw |
| 4.7 w | 0.0047 kw |
| w | kw |
|---|---|
| 1 w | 0.001 kw |
| 5 w | 0.005 kw |
| 10 w | 0.01 kw |
| 50 w | 0.05 kw |
| 100 w | 0.1 kw |
| 1,000 w | 1 kw |