Kilowatt to Watt Converter
Power · unit-converter
Convert Kilowatt to Watt with a fixed input and output unit, step-by-step formula line, and reference tables. Linear units use SI watt definitions; mechanical hp uses 550 ft·lbf/s; BTU/h uses the IT BTU; dBm/dBW are logarithmic relative to 1 mW and 1 W. The full Power Converter also includes PS/CV, TR, kVA/MVA, and ft·lb/s.
Calculator
From: Kilowatt (kw)
To: Watt (w)
About Kilowatt
One kilowatt is 1,000 W. Motor, heater, and grid-scale loads are often rated in kW.
About Watt
The watt is the SI unit of power (one joule per second). All linear units in this converter are defined by a fixed watt equivalent.
How to convert kilowatts to watts
1 kilowatt is equal to 1000 watt when both are expressed in watt-equivalents:
1 kw = (1,000 W ÷ 1 W) w = 1000 w
SI prefix: 1 kW = 1,000 W exactly.
Each kilowatt is defined as 1,000 W and each watt as 1 W in this tool, so one kw equals 1,000 ÷ 1 w = 1000 w.
Let d(kw) be the numeric value in Kilowatt (kw), and d(w) the value in Watt (w). Then:
d(w) = d(kw) × (1,000 / 1)
Equivalently, divide by how many kw fit into one w (watts per w divided by watts per kw):
d(w) = d(kw) ÷ 0.001
Or: watt = kilowatt ÷ 0.001
Examples
Example #1: Convert 1 kw to watt
1 kw = 1 kw × (1,000/1) w = 1000 w
1 kw = 1 kw ÷ 0.001 = 1000 w
Intermediate watts: 1,000 W
Example #2: Convert 10 kw to watt
10 kw = 10 kw × (1,000/1) w = 10000 w
10 kw = 10 kw ÷ 0.001 = 10000 w
Intermediate watts: 10,000 W
Summary
To convert Kilowatt to Watt, multiply the value in kw by the ratio of watts per kw divided by watts per w. Equivalently: value_w = value_kw × (1000 / 1). Numerically, 1 kw equals 1000 w.
Relationship context
Both units are SI / decimal power (watts and prefixes). Conversions use fixed watt factors, so results stay consistent with the definitions in this converter. The factor from Kilowatt to Watt is 1.000000e+3 (1 kw = 1000 w).
Conversion tables
| Kilowatt (kw) | Watt (w) |
|---|---|
| 0.1 | 100 |
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 4 | 4,000 |
| 5 | 5,000 |
| 6 | 6,000 |
| 7 | 7,000 |
| 8 | 8,000 |
| 9 | 9,000 |
| Kilowatt (kw) | Watt (w) |
|---|---|
| 10 | 10,000 |
| 20 | 20,000 |
| 30 | 30,000 |
| 40 | 40,000 |
| 50 | 50,000 |
| 60 | 60,000 |
| 70 | 70,000 |
| 80 | 80,000 |
| 90 | 90,000 |
| 100 | 100,000 |