Sound Level Converter
Convert dB SPL to pressure, power and amplitude ratios, combine levels, and browse references.
Conversions for 60 dB SPL
Sound Pressure
0.02 Pa
Power Ratio
1000000
Amplitude Ratio
1000
Combined Level
60 dB + 70 dB = 70.41 dB
Difference: 10 dB
Common Sound Levels
Threshold of hearing0 dB
Breathing10 dB
Rustling leaves20 dB
Whisper30 dB
Library40 dB
Moderate rainfall50 dB
Normal conversation60 dB
Vacuum cleaner70 dB
City traffic80 dB
Lawnmower90 dB
Motorcycle100 dB
Rock concert110 dB
Threshold of pain120 dB
Jet engine (nearby)130 dB
Gunshot140 dB