Wind Turbine Noise Calculator
Calculate sound pressure level at a given distance from wind turbines.
Inputs
dBA
ft
ft
dBA
Results
Turbine Noise at Receiver
38.9 dBA
Combined Level
40.4 dBA
Increase Over Background5.4 dB
Single Turbine SPL38.9 dBA
Below 45 dBA Limit1
How to Use This Calculator
- Enter the turbine's A-weighted sound power level (dB(A)) from the manufacturer spec sheet.
- Set the distance from the turbine to the receptor (nearest dwelling) in meters.
- Input the atmospheric absorption coefficient.
- Review the estimated A-weighted sound pressure level at the receptor.
- Compare the result to local noise ordinances — residential nighttime limits are typically 35–45 dB(A).
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