Betz Limit Calculator
Calculate the maximum theoretical power a wind turbine can extract using the Betz Limit (59.3%). Compare theoretical maximum to actual turbine performance.
Free Wind Calculators
5 toolsWind turbine output, capacity factor, and ROI calculators. Browse our free wind tools below — no sign-up required.
Small Wind ROI Calculator
Calculate the return on investment for a small wind turbine. Compare lifetime energy savings to installation cost and estimate payback period.
Wind Capacity Factor Calculator
Calculate the capacity factor of a wind turbine from actual vs rated output. Assess real-world performance and compare turbine sites effectively.
Wind Speed to Power Calculator
Convert wind speed into available wind power per square meter of swept area. Uses the kinetic energy equation to show power density at any wind speed.
Wind Turbine Output Calculator
Calculate the annual energy output of a wind turbine based on rotor diameter, wind speed, air density, and turbine efficiency using the power equation.