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Electrical & Electronics Calculators

Access free, interactive calculators for electrical & electronics. Click any tool to open the workspace on WebCalcSys.com.

VD

Voltage Divider

Calculate voltage divider output.

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CD

Current Divider

Calculate current through parallel resistors.

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RS

Resistors Series

Total series resistance.

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RP

Resistors Parallel

Total parallel resistance.

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CS

Capacitors Series

Total series capacitance.

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CP

Capacitors Parallel

Total parallel capacitance.

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LS

Inductors Series

Total series inductance.

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LP

Inductors Parallel

Total parallel inductance.

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LC

LC Resonance

Calculate LC resonant frequency.

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RLC

RLC Circuit

RLC Q factor and bandwidth.

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XFMR

Transformer Turns

Calculate transformer turns ratio.

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OP

Op-Amp Gain

Calculate inverting/non-inverting gain.

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555

555 Timer

Calculate 555 astable frequency/duty.

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WB

Wheatstone Bridge

Find unknown resistance.

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PF

Power Factor

Calculate power factor and real power.

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AWG

AWG Wire Size

Wire diameter and resistance.

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VDROP

Voltage Drop

Calculate wire voltage drop.

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BAT

Battery Life

Calculate battery life from load.

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DB

dB Converter

Convert between dB and ratios.

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FC

Filter Cutoff

RC filter cutoff frequency.

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RMS

RMS Voltage

RMS from peak voltage.

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LAMBDA

Freq to Wavelength

Convert frequency to wavelength.

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SNR

SNR Calculator

Calculate signal-to-noise ratio.

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MOTOR

Motor Power

Power from torque and RPM.

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SKIN

Skin Depth

Calculate conductor skin depth.

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NYQ

Nyquist Rate

Minimum sampling rate.

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