Electronics Calculators
A collection of common electronics calculation tools. Each tool includes its own reset button.
Ohm's Law Calculator
Calculate V=IR. Enter any 2 values to find the third.
Summary:
Enter 2 valid values above to see results.
Electrical Power Calculator
Enter any 2 values (V, I, R, P) to calculate the others.
Summary:
Enter 2 valid values above to see results.
Series & Parallel Resistance
Calculate the total resistance for resistors connected in series or parallel.
Resistor Tolerance Range
Calculate the minimum and maximum resistance based on tolerance.
%
Error
Enter valid numbers for resistance and tolerance.
AC Instantaneous Voltage
Calculate v(t) = V_peak * sin(ωt + φ)
Ripple Voltage Calculator
Estimate peak-to-peak ripple voltage (V_r(pp) ≈ I_L / (f_r * C))
Op-Amp Gain Calculator
Calculate voltage gain for basic op-amp configurations.
Gain (Aᵥ) = - Rբ / Rᵢ
BJT Solver (Fixed Bias)
Calculate parameters for a common-emitter fixed-bias BJT circuit.
V
V
V