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Noise Rating - NR - Online Calculator

An online Noise Rating - NR - Calculator

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The calculator below can used to calculate the NR - Noise Rating:

Sound Pressure Level (dB) - Octave band mid-frequency (Hz)

31.5 Hz

62.5 Hz

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

8000 Hz

The NR-diagram with the default values from above:

NR - Noise Rating diagram - example

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  • en: noise rating NR
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