watts to gigawatts
Convert watt to gigawatt — instant, free, with the formula shown.
1 W=1.0000e-9 GW
How to convert watt to gigawatt
To convert watt to gigawatt, multiply by 1.0000e-9:
GW = W × 1.0000e-9
For example, 10 W × 1.0000e-9 = 1.0000e-8 GW.
W to GW conversion table
| watts (W) | gigawatts (GW) |
|---|---|
| 1 W | 1.0000e-9 GW |
| 2 W | 2.0000e-9 GW |
| 5 W | 5.0000e-9 GW |
| 10 W | 1.0000e-8 GW |
| 25 W | 2.5000e-8 GW |
| 50 W | 5.0000e-8 GW |
| 100 W | 1.0000e-7 GW |
| 250 W | 2.5000e-7 GW |
| 500 W | 5.0000e-7 GW |
| 1000 W | 1.0000e-6 GW |
Other watt conversions
Convert to gigawatt from another unit
W to GW — frequently asked
How many gigawatts are in 1 watt?
1 watt = 1.0000e-9 gigawatts (W × 1.0000e-9 = GW).
What is the formula to convert watt to gigawatt?
Multiply your watt value by 1.0000e-9 to get gigawatt.
How do I convert 10 watts to gigawatts?
10 W = 1.0000e-8 GW. For 100 W the answer is 1.0000e-7 GW. Use the calculator on this page for any other value.
When to convert watt to gigawatt
1Car engines (hp ↔ kW)
2Electrical appliances (W, kW)
3Air conditioning (BTU/h ↔ kW)
4Renewable energy (MW, GW)
Power conversion — common questions
How many watts in 1 horsepower?
Mechanical: 1 hp ≈ 745.7 W. Metric: 1 hp (PS) ≈ 735.5 W. The mechanical definition is standard in the US/UK; metric is used in continental Europe.
How do I convert AC BTU/h to kW?
Divide BTU/h by 3,412 (or multiply by 0.000293). A 12,000 BTU/h AC ≈ 3.52 kW of cooling power.
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