Electrical & Electronics Calculators
Access free, interactive calculators for electrical & electronics. Click any tool to open the workspace on WebCalcSys.com.
Voltage Divider
Calculate voltage divider output.
Current Divider
Calculate current through parallel resistors.
Resistors Series
Total series resistance.
Resistors Parallel
Total parallel resistance.
Capacitors Series
Total series capacitance.
Capacitors Parallel
Total parallel capacitance.
Inductors Series
Total series inductance.
Inductors Parallel
Total parallel inductance.
LC Resonance
Calculate LC resonant frequency.
RLC Circuit
RLC Q factor and bandwidth.
Transformer Turns
Calculate transformer turns ratio.
Op-Amp Gain
Calculate inverting/non-inverting gain.
555 Timer
Calculate 555 astable frequency/duty.
Wheatstone Bridge
Find unknown resistance.
Power Factor
Calculate power factor and real power.
AWG Wire Size
Wire diameter and resistance.
Voltage Drop
Calculate wire voltage drop.
Battery Life
Calculate battery life from load.
dB Converter
Convert between dB and ratios.
Filter Cutoff
RC filter cutoff frequency.
RMS Voltage
RMS from peak voltage.
Freq to Wavelength
Convert frequency to wavelength.
SNR Calculator
Calculate signal-to-noise ratio.
Motor Power
Power from torque and RPM.
Skin Depth
Calculate conductor skin depth.
Nyquist Rate
Minimum sampling rate.
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