Gigawatts to Kilowatts
Type a value in either box to convert between gigawatts and kilowatts. The factor is 1e+06.
| Gigawatts | Kilowatts |
|---|---|
| 1 GW | 1000000 kW |
| 2 GW | 2000000 kW |
| 3 GW | 3000000 kW |
| 5 GW | 5000000 kW |
| 10 GW | 10000000 kW |
| 25 GW | 25000000 kW |
| 50 GW | 50000000 kW |
| 100 GW | 100000000 kW |
How to use
- Enter a value in the Gigawatts field.
- The Kilowatts figure appears immediately — no button to press.
- Typing in the Kilowatts field converts back to Gigawatts the same way.
- Use the reference table for the values that come up most often.
Gigawatts to Kilowatts formula
The factor from gigawatts to kilowatts is 1000000.
kW = GW × 1000000
Why this factor: the gigawatt and the kilowatt are both defined against the watt, so dividing one definition by the other gives 1000000 directly. Both definitions are set out in full below.
To go the other way, divide by 1000000 — or use the Kilowatts to Gigawatts converter, which is the same calculation reversed.
Worked example
Given 75 GW, multiplying by 1000000 yields 75000000 kW.
75 GW × 1000000 = 75000000 kW
The converter above does this for any value you type, in either direction.
What is a gigawatt?
A gigawatt is one billion watts — the scale of national grids and large nuclear plants.
Definition: Exactly 1×10⁹ watts.
Where it is used: National electricity demand, total installed renewable capacity, and large nuclear reactor output.
What is a kilowatt?
A kilowatt is 1,000 watts, the practical unit for substantial electrical loads.
Definition: Exactly 1,000 watts.
Where it is used: Electric motor and vehicle output, heating systems, EV charger ratings, and solar array capacity.
Gigawatts vs Kilowatts
The gigawatt and the kilowatt belong to the same family of units, so converting between them is usually a matter of shifting a decimal point or applying a small whole-number factor.
Frequently asked questions
How many kilowatts are in a gigawatt?
One gigawatt equals 1000000 kilowatts.
What is the formula to convert gigawatts to kilowatts?
Multiply the number of gigawatts by 1000000. To reverse it, divide by 1000000 instead.
How do I convert kilowatts back to gigawatts?
Divide by 1000000, which is the same as multiplying by 1e-06.
How many kilowatts are in 10 gigawatts?
10 GW works out to 10000000 kW.
How is the gigawatt defined?
Exactly 1×10⁹ watts.