8 Appendix

8.3 dB power conversions

Below is a quick reference of some power ratio to decibel conversions.

Increase in dB Power multiplication
factor (rounded)
0 1
+1 1.26
+2 1.6
+3 2
+6 4
+9 7.9
+10 10
+12 15.8
+14 25.1
+20 100
+24 251
+27 501
+30 1,000
+40 10,000
+50 100,000
+60 1,000,000
+70 10,000,000
+80 100,000,000
+90 1,000,000,000
+100 10,000,000,000


© Joris van den Heuvel 2001-2009