Voltage Gain Calculator
Compute voltage gain G = 20·log₁₀(Vout/Vin) in decibels.
Input Data
Input Input Vᵢₙ.
V
Input Output Vₒᵤₜ.
V
Results
20dB
Voltage gain G = 20·log₁₀(Vout/Vin).
At a glance:Voltage Gain Calculator: enter parameters to compute results; complements related calculators.
Formula
G(dB) = 20 · log₁₀(Vout / Vin).
How to Use
- Enter Vin, Vout.
- It returns voltage gain (dB).
Case Studies
10× voltage → +20 dB
Every 10× voltage is +20 dB.
FAQ
vs power gain?
Power gain uses 10·log₁₀ (power ∝ V²), hence 10 dB per decade.
Related Tools
References
Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.