Enter the radius, wind speed, air density, and efficiency factor into the calculator to determine the total power output from the wind.

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## Wind Power Formula

The following equation is used to calculate wind power.

P = π/2 * r² * v³ * ρ * n

- Where P is the power in watts
- r is the radius of the turbine
- v is the velocity of the wind moving through the turbine
- p is the air density (1.2 kg/m^3)
- n is the efficiency factor (typically 40%)

## Wind Power Definition

Wind power is defined as the total amount of energy per unit of time that a wind turbine can generate through the kinetic energy of moving air.

## Wind Power Example

How to calculate wind power?

**First, determine the radius.**Measure the radius of the turbine.

**Next, determine the velocity.**Measure the velocity of the moving wind.

**Next, determine the efficiency.**Determine the efficiency of the wind turbine.

**Finally, calculate the wind power.**Calculate the power generated by the turbine using the equation above.

## FAQ

**What is wind power?**

Wind power is energy generated through capturing kinetic energy in moving air masses. This is captured typically by a wind turbine.

**What is a wind turbine?**

A wind turbine is a device that turns the kinetic energy of wind into electrical energy that can be distributed to the electrical grid.

**What is the maximum efficiency of a wind turbine?**

The maximum efficiency of a wind turbine is 59.26%.