This decibel distance reference table shows the sound level at new distance for a range of sound level at reference values, assuming a reference distance of 1 m and a new distance of 10 m. Every figure is computed with the same engine that powers our Decibel Distance Calculator, so the numbers are exact.
| Sound level at reference | Sound level at new distance |
|---|---|
| 25 dB | 5.00 |
| 50 dB | 30.00 |
| 75 dB | 55.00 |
| 100 dB | 80.00 |
| 150 dB | 130.00 |
| 200 dB | 180.00 |
| 300 dB | 280.00 |
| 500 dB | 480.00 |
| 700 dB | 680.00 |
| 1,000 dB | 980.00 |
How to use this table
Find the row closest to your sound level at reference and read across to the sound level at new distance. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Decibel Distance Calculator for a precise answer.
Need a value that is not in the table? — the Decibel Distance Calculator does it instantly, for free, with the formula and a worked example built in.
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