Watt to Kilowatt
1 W = 0.001 kW
Convert Watt (W) to Kilowatt (kW) with engineering-grade precision. Instant results, formula, and reference table below.
1 Watt ≈0.001 Kilowatt
How to convert Watt to Kilowatt (W to kW)
Converting Watts to Kilowatts is critical for developers working with international data standards or scientific applications. This tool performs the calculation entirely on your client (browser) using JavaScript/WASM, ensuring zero latency and maximum privacy.
The Formula
1 W = 0.00100000 kW
Calculation Example
Let's say you want to convert 5 W to kW:
- Input: 5 W
- Calculation: 5 × 0.00100000
- Result: 0.0050 kW
About the Watt to Kilowatt conversion
The conversion factor from Watt (W) to Kilowatt (kW) is 0.001, meaning 1 W = 0.001 kW and inversely 1 kW = 1000.00 W. That makes the Kilowatt the larger of the two units in the power category, where the SI base unit is the watt. Every ratio here is derived from the SI/international definition rather than a rounded approximation, so results are stable across repeated conversions.
Need the reverse? Use the Kilowatt to Watt converter.
Frequently Asked Questions
How do I convert Watt to Kilowatt?
To convert Watt to Kilowatt, you need to multiply the W value by 0.00100000.
What is the formula for W to kW?
The simple formula is: kW = W × 0.00100000.
Which is bigger: Watt or Kilowatt?
A Kilowatt is bigger. One Kilowatt is equal to approx 1000.0000 Watts.
How many Watts are in one Kilowatt?
There are approximately 1000.00 Watts in one Kilowatt.
Quick Conversion Table
| W | kW |
|---|---|
| 1 | 0.0010 |
| 5 | 0.0050 |
| 10 | 0.0100 |
| 20 | 0.0200 |
| 50 | 0.0500 |
| 100 | 0.1000 |