RedCrab online calculator for calculating electrical values

Alternating voltage values Alternating voltage and time Frequency and wavelength Alternating voltage value and angle Frequency and periodic time RMS values of AC voltage

Total resistance of a resistor in parallel Series resistance for a voltmeter Parallel resistance for an ampere meter Voltage divider Loaded voltage divider Pi Attenuator T Attenuator

Reactance of a coil Cutoff frequency R/L Differentiator R/L Highpass filter R/L Lowpass filter R/L Series circuit R/L Parallel circuit R/L Transformer

Resonant frequency f0 calculator Resistors-capacitors-inductors series circuit Resistors-capacitors-inductors parallel circuit Resonance of RCL parallel circuit Resonance of RCL series circuit

more electrical functions are under construction

LED resistor