Electronics Calculators
A collection of useful calculators for electronics engineering students and hobbyists
Ohm's Law Calculator
Calculate voltage, current, or resistance using Ohm's Law (V = IR).
Resistor Color Code Calculator
Convert resistor color bands to resistance values and vice versa.
Voltage Divider Calculator
Calculate the output voltage of a voltage divider circuit.
RC Time Constant Calculator
Compute the time constant (τ = RC) for an RC circuit.
Op-Amp Gain Calculator
Calculate gain for inverting and non-inverting operational amplifier circuits.
Instrumentation Amplifier Calculator
Calculate output voltage for instrumentation amplifier circuits.