Gigawatt to Watt Converter
Power · unit-converter
Convert Gigawatt 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: Gigawatt (gw)
To: Watt (w)
About Gigawatt
One gigawatt is one billion watts. Utility generation capacity and grid planning commonly use GW.
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 gigawatts to watts
1 gigawatt is equal to 1.00000000e+9 watt when both are expressed in watt-equivalents:
1 gw = (1,000,000,000 W ÷ 1 W) w = 1.00000000e+9 w
Each gigawatt is defined as 1,000,000,000 W and each watt as 1 W in this tool, so one gw equals 1,000,000,000 ÷ 1 w = 1.00000000e+9 w.
Let d(gw) be the numeric value in Gigawatt (gw), and d(w) the value in Watt (w). Then:
d(w) = d(gw) × (1,000,000,000 / 1)
Equivalently, divide by how many gw fit into one w (watts per w divided by watts per gw):
d(w) = d(gw) ÷ 1.00000000e-9
Or: watt = gigawatt ÷ 1.00000000e-9
Examples
Example #1: Convert 1 gw to watt
1 gw = 1 gw × (1,000,000,000/1) w = 1000000000 w
1 gw = 1 gw ÷ 1.00000000e-9 = 1000000000 w
Intermediate watts: 1,000,000,000 W
Example #2: Convert 10 gw to watt
10 gw = 10 gw × (1,000,000,000/1) w = 10000000000 w
10 gw = 10 gw ÷ 1.00000000e-9 = 10000000000 w
Intermediate watts: 10,000,000,000 W
Summary
To convert Gigawatt to Watt, multiply the value in gw by the ratio of watts per gw divided by watts per w. Equivalently: value_w = value_gw × (1000000000 / 1). Numerically, 1 gw equals 1000000000 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 Gigawatt to Watt is 1.000000e+9 (1 gw = 1000000000 w).
Conversion tables
| Gigawatt (gw) | Watt (w) |
|---|---|
| 0.1 | 100,000,000 |
| 1 | 1,000,000,000 |
| 2 | 2,000,000,000 |
| 3 | 3,000,000,000 |
| 4 | 4,000,000,000 |
| 5 | 5,000,000,000 |
| 6 | 6,000,000,000 |
| 7 | 7,000,000,000 |
| 8 | 8,000,000,000 |
| 9 | 9,000,000,000 |
| Gigawatt (gw) | Watt (w) |
|---|---|
| 10 | 10,000,000,000 |
| 20 | 20,000,000,000 |
| 30 | 30,000,000,000 |
| 40 | 40,000,000,000 |
| 50 | 50,000,000,000 |
| 60 | 60,000,000,000 |
| 70 | 70,000,000,000 |
| 80 | 80,000,000,000 |
| 90 | 90,000,000,000 |
| 100 | 100,000,000,000 |