dB things and dBm to Watts to Volts Table
dBm-watts-volts.xlsx
dB and Ratios
Links to useful DB calculators
ERP Calculator
VRMS/dBm/dBu/dBV calculators
Calculation: Amplification (gain) and damping (loss) as factor ( ratio) to the level in decibels (dB)
dB and Ratios
| dB value | times by |
+30 dB | 1000 |
| +20 dB | 100 |
| +16 dB | 40.00 |
| +13 dB | 20.00 |
| +10 dB | 10.00 |
| +9 dB | 8.00 |
| +8 dB | 6.31 |
| +7 dB | 5.01 |
| +6 dB | 4.00 |
| +5 dB | 3.16 |
| +4 dB | 2.51 |
| +3 dB | 2.00 |
| +2 dB | 1.58 |
| +1 dB | 1.26 |
| 0 dB | 1.00 |
| -3 dB | 0.5 |
| -10 dB | 0.1 |
| -20 dB | 0.01 |
| -30 dB | 0.001 |
| -40 dB | 0.0001 |
Links to useful DB calculators
ERP Calculator
VRMS/dBm/dBu/dBV calculators
Calculation: Amplification (gain) and damping (loss) as factor ( ratio) to the level in decibels (dB)
