Summing Amplifier Calculator
Calculate output voltage for an inverting summing amplifier circuit.
Circuit Parameters
Output Voltage
-3.0000 V
Vout = -Rf * (V1/R1 + V2/R2 + ...)
Individual Contributions
Channel 1 (Gain: -1.00)-1.0000 V
Channel 2 (Gain: -1.00)-2.0000 V
Formula
Vout = -Rf * (V1/R1 + V2/R2 + V3/R3 + ...)
With equal resistors, this becomes: Vout = -1.0 * (V1 + V2 + ...)
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.