Sound pressure levels

This table shows sound pressure levels in decibels and what this means in terms of intensity and power ratios.

Sound pressure level in dB SPL	Intensity relative to 0 dB	Pressure relative to 20 µPa	Base-10 exponent of pressure ratio	RMS sound pressure in mPa	Natural logarithmic pressure ratio
-96	2.512 × 10^-10	1.585 × 10^-5	-4.8000	3.17 × 10^-7	-11.052636
0	1	1	0.0000	0.02	0
10	10	3.16227766016838	0.5000	0.0632455532033676	1.151293
20	100	10	1.0000	0.2	2.302585
30	1000	31.6227766016838	1.5000	0.632455532033676	3.453878
40	10000	100	2.0000	2	4.60517
50	100000	316.227766016838	2.5000	6.32455532033676	5.756463
60	1000000	1000	3.0000	20	6.907755
70	10000000	3162.27766016838	3.5000	63.2455532033676	8.059048
80	1 × 10⁸	10000	4.0000	200	9.21034
90	1 × 10⁹	31622.7766016838	4.5000	632.455532033676	10.361633
100	1 × 10¹⁰	100000	5.0000	2000	11.512925
110	1 × 10¹¹	316227.766016838	5.5000	6324.55532033676	12.664218
120	1 × 10¹²	1000000	6.0000	20000	13.815511