Wind Turbine Calculator
Calculate the theoretical and practical power output of a wind turbine. Enter wind speed, rotor diameter, and air density to see how much electricity a turbine can generate and its annual energy production.
Inputs
%
Betz limit is 59.3%. Typical: 30-45%
Results
Power Output
0.24 kW
Annual Energy
635 kWh
Annual Savings
$82
Swept Area
7.3 m2
Power Output by Wind Speed
Output at Different Wind Speeds
| Wind Speed | Power (kW) | Annual kWh |
|---|---|---|
| 8 mph | 0.07 | 188 |
| 10 mph | 0.14 | 367 |
| 12 mph | 0.24 | 635 |
| 15 mph | 0.47 | 1,239 |
| 20 mph | 1.12 | 2,938 |