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HomeEngineering ToolsReference Tables
6 Professional Tools

Reference Tables

Decode SMD resistor codes, capacitor markings, and look up AWG wire tables, world plug standards, and component specifications.

Capacitor Safety Discharge Calculator

Solve discharge time or resistor value

capacitor
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Resistor Color Code Calculator

Decode 4, 5, or 6 band axial resistors

resistor
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SMD Resistor Code Calculator

3-digit, 4-digit, and EIA-96 markings

smd
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SMD Capacitor Code Calculator

3/4 digit and EIA-198 capacitor markings

smd
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Electrical Plug Reference Calculator

Country plug compatibility reference

plug
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Wire Size Conversion Calculator

AWG to diameter and area

awg
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ElectraCalcEngineering Lab

Precision engineering tools and calculators for electronics designers, helping you build better circuits with confidence and mathematical certainty.

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