Decibel Converter
Worked example result
| Result | 20.0000 |
| Summary | Power ratio 100 = 20 dB |
A power ratio of 100 is exactly 20 dB; the same 20 dB as an amplitude ratio would mean only 10× the amplitude.
Power: dB = 10·log₁₀(P₂/P₁), ratio = 10^(dB/10) · Amplitude: dB = 20·log₁₀(A₂/A₁), ratio = 10^(dB/20) · Powered by CalcHub — Decibel Converter