{"id":267,"date":"2009-01-24T12:46:29","date_gmt":"2009-01-24T12:46:29","guid":{"rendered":"https:\/\/www.garfnet.org.uk\/cms\/sound-pressure-levels\/"},"modified":"2025-02-02T23:56:30","modified_gmt":"2025-02-02T23:56:30","slug":"sound-pressure-levels","status":"publish","type":"page","link":"https:\/\/garfnet.org.uk\/cms\/tables\/general\/sound-pressure-levels\/","title":{"rendered":"Sound pressure levels"},"content":{"rendered":"

This table shows sound pressure levels in decibels and what this means in terms of intensity and power ratios.<\/b><\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Decibels<\/div><\/th>\n
Intensity (or Power) Ratio<\/div><\/th>\n
Pressure (or Current or Voltage) Ratio<\/div><\/th>\n
Pressure Ratio as a Power of 10<\/div><\/th>\n
Sound Pressure (mPa)<\/div><\/th>\n
Nepers<\/div><\/th>\n<\/tr>\n
0<\/div><\/td>\n
1<\/div><\/td>\n
1<\/div><\/td>\n
0<\/div><\/td>\n
0.02<\/div><\/td>\n
0<\/div><\/td>\n<\/tr>\n
10<\/div><\/td>\n
10<\/div><\/td>\n
3.16<\/div><\/td>\n
0.5<\/div><\/td>\n
0.06<\/div><\/td>\n
1.15<\/div><\/td>\n<\/tr>\n
20<\/div><\/td>\n
100<\/div><\/td>\n
10<\/div><\/td>\n
1<\/div><\/td>\n
0.2<\/div><\/td>\n
2.3<\/div><\/td>\n<\/tr>\n
30<\/div><\/td>\n
1000<\/div><\/td>\n
31.62<\/div><\/td>\n
1.5<\/div><\/td>\n
0.63<\/div><\/td>\n
3.45<\/div><\/td>\n<\/tr>\n
40<\/div><\/td>\n
10000<\/div><\/td>\n
100<\/div><\/td>\n
2<\/div><\/td>\n
2<\/div><\/td>\n
4.61<\/div><\/td>\n<\/tr>\n
50<\/div><\/td>\n
100000<\/div><\/td>\n
316.23<\/div><\/td>\n
2.5<\/div><\/td>\n
6.32<\/div><\/td>\n
5.76<\/div><\/td>\n<\/tr>\n
60<\/div><\/td>\n
1000000<\/div><\/td>\n
1000<\/div><\/td>\n
3<\/div><\/td>\n
20<\/div><\/td>\n
6.91<\/div><\/td>\n<\/tr>\n
70<\/div><\/td>\n
10000000<\/div><\/td>\n
3162.28<\/div><\/td>\n
3.5<\/div><\/td>\n
63.25<\/div><\/td>\n
8.06<\/div><\/td>\n<\/tr>\n
80<\/div><\/td>\n
100000000<\/div><\/td>\n
10000<\/div><\/td>\n
4<\/div><\/td>\n
200<\/div><\/td>\n
9.21<\/div><\/td>\n<\/tr>\n
90<\/div><\/td>\n
1000000000<\/div><\/td>\n
31622.78<\/div><\/td>\n
4.5<\/div><\/td>\n
632.46<\/div><\/td>\n
10.36<\/div><\/td>\n<\/tr>\n
100<\/div><\/td>\n
10000000000<\/div><\/td>\n
100000<\/div><\/td>\n
5<\/div><\/td>\n
2000<\/div><\/td>\n
11.51<\/div><\/td>\n<\/tr>\n
110<\/div><\/td>\n
100000000000<\/div><\/td>\n
316227.77<\/div><\/td>\n
5.5<\/div><\/td>\n
6324.56<\/div><\/td>\n
12.66<\/div><\/td>\n<\/tr>\n
120<\/div><\/td>\n
1000000000000<\/div><\/td>\n
1000000<\/div><\/td>\n
6<\/div><\/td>\n
20000<\/div><\/td>\n
13.82<\/div><\/td>\n<\/tr>\n
\u00a0<\/div><\/td>\n
\u00a0<\/div><\/td>\n
\u00a0<\/div><\/td>\n
\u00a0<\/div><\/td>\n
\u00a0<\/div><\/td>\n
\u00a0<\/div><\/td>\n<\/tr>\n
-96<\/div><\/td>\n
0<\/div><\/td>\n
0<\/div><\/td>\n
-4.8<\/div><\/td>\n
0<\/div><\/td>\n
-11.05<\/div><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

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This table shows sound pressure levels in decibels and what this means in terms of intensity and power ratios. Decibels Intensity (or Power) Ratio Pressure (or Current or Voltage) Ratio Pressure Ratio as a Power of 10 Sound Pressure (mPa) Nepers 0 1 1 0 0.02 0 10 10 3.16 0.5 0.06 1.15 20 100…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":646,"menu_order":21,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ngg_post_thumbnail":0,"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-267","page","type-page","status-publish","hentry"],"yoast_head":"\nSound pressure levels - GarfNet<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/garfnet.org.uk\/cms\/tables\/general\/sound-pressure-levels\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sound pressure levels - GarfNet\" \/>\n<meta property=\"og:description\" content=\"This table shows sound pressure levels in decibels and what this means in terms of intensity and power ratios. 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