Wind Turbine Noise Calculator
Calculate sound pressure level at a given distance from wind turbines.
Inputs
dBA
m
m
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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