Pascals to decibels
Type a value in Pa to get it in dB instantly.
129.5dB
That's 9.5× as loud as a rock concert, while a jet taking off is 3.3× louder. That carries about 9,000,000× the sound energy of ordinary conversation.
Convert the other way: dB to Pa
What it means
How loud is that?
Decibels here are dB SPL, referenced to 20 micropascals, the quietest sound a young ear can detect.
The math
How to convert Pa to dB
Decibels are logarithmic: dB = 20 × log₁₀(pressure ÷ 20 µPa). Going back, pressure = 20 µPa × 10^(dB ÷ 20).
Example: 60 Pa = 129.542 dB.
Every unit
Your sound level in every unit
Tables
Pa to dB conversion table
| Pa | dB |
|---|---|
| 10 Pa | 113.979 dB |
| 20 Pa | 120 dB |
| 30 Pa | 123.522 dB |
| 40 Pa | 126.021 dB |
| 50 Pa | 127.959 dB |
| 60 Pa | 129.542 dB |
| 70 Pa | 130.881 dB |
| 80 Pa | 132.041 dB |
| 85 Pa | 132.568 dB |
| 90 Pa | 133.064 dB |
| 100 Pa | 133.979 dB |
| 110 Pa | 134.807 dB |
| 120 Pa | 135.563 dB |
| 130 Pa | 136.258 dB |
dB to Pa conversion table
| dB | Pa |
|---|---|
| 10 dB | 6.325×10⁻⁵ Pa |
| 20 dB | 0.0002 Pa |
| 30 dB | 0.000632456 Pa |
| 40 dB | 0.002 Pa |
| 50 dB | 0.00632456 Pa |
| 60 dB | 0.02 Pa |
| 70 dB | 0.0632456 Pa |
| 80 dB | 0.2 Pa |
| 85 dB | 0.355656 Pa |
| 90 dB | 0.632456 Pa |
| 100 dB | 2 Pa |
| 110 dB | 6.32456 Pa |
| 120 dB | 20 Pa |
| 130 dB | 63.2456 Pa |
Quick answers
Quick answers
- How many dB is 1 Pa?
- 1 Pa is 93.9794 dB.
- How many dB is 10 Pa?
- 10 Pa is 113.979 dB.
- How many dB is 60 Pa?
- 60 Pa is 129.542 dB.
The units
About these units
Pascals (Pa)
The actual pressure variation in the air. Conversation is about 0.02 Pa.
Decibels (dB)
The standard measure of sound level, referenced to the threshold of hearing.
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