dB SPL at 1 kHz to sones
Type a value in dB (1 kHz) to get it in sone instantly.
2sone
That's about the same as a quiet office. That is a loudness of 2 sones.
Convert the other way: sone to dB (1 kHz)
What it means
How loud does it sound?
For steady sounds, using Stevens’ rule above 40 phon. Fan and appliance makers quote sones measured to ANSI/AHRI standards.
The math
How to convert dB (1 kHz) to sone
Above 40 phon: sone = 2^((phon − 40) ÷ 10); phon = 40 + 10 × log₂(sone).
Example: 50 dB (1 kHz) = 2 sone.
Every unit
That loudness on every scale
Tables
dB (1 kHz) to sone conversion table
| dB (1 kHz) | sone |
|---|---|
| 20 dB (1 kHz) | 0.160206 sone |
| 30 dB (1 kHz) | 0.46764 sone |
| 40 dB (1 kHz) | 1 sone |
| 50 dB (1 kHz) | 2 sone |
| 60 dB (1 kHz) | 4 sone |
| 70 dB (1 kHz) | 8 sone |
| 80 dB (1 kHz) | 16 sone |
| 90 dB (1 kHz) | 32 sone |
| 100 dB (1 kHz) | 64 sone |
| 110 dB (1 kHz) | 128 sone |
| 120 dB (1 kHz) | 256 sone |
sone to dB (1 kHz) conversion table
| sone | dB (1 kHz) |
|---|---|
| 20 sone | 83.2193 dB (1 kHz) |
| 30 sone | 89.0689 dB (1 kHz) |
| 40 sone | 93.2193 dB (1 kHz) |
| 50 sone | 96.4386 dB (1 kHz) |
| 60 sone | 99.0689 dB (1 kHz) |
| 70 sone | 101.293 dB (1 kHz) |
| 80 sone | 103.219 dB (1 kHz) |
| 90 sone | 104.919 dB (1 kHz) |
| 100 sone | 106.439 dB (1 kHz) |
| 110 sone | 107.814 dB (1 kHz) |
| 120 sone | 109.069 dB (1 kHz) |
Quick answers
Quick answers
- How many sone is 1 dB (1 kHz)?
- 1 dB (1 kHz) is 5.853×10⁻⁵ sone.
- How many sone is 10 dB (1 kHz)?
- 10 dB (1 kHz) is 0.025666 sone.
- How many sone is 50 dB (1 kHz)?
- 50 dB (1 kHz) is 2 sone.
The units
About these units
dB SPL at 1 kHz (dB (1 kHz))
For a 1 kHz tone, phon equals dB SPL.
Sones (sone)
Loudness: twice the sones sounds twice as loud.
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