Level (dbA)

0 10

20 30

40 50

60 70

80 90

100 110

120 130

Source

Rustle of Leaves Whisper Soundproof Room

Quiet Home Private Office Empty Auditorium Quiet Conversation

Noisy Home Inside Office Conversation Quiet Radio

Cocktail Party Noisy Office Street Noise Average Radio Average Factory

Loud Street Noisy Factory Truck Unmuffled Police Whistle

Thunder, Artillery Nearby Riveter Elevated Train Discotheque

Jet Aircraft at 100' Bass Drum at 3' Auto Horn at 3"

Sensation

Very Faint

Faint

Moderate

Loud

Very Loud

Deafening

Physical Pain