An online tool for calculating resistance values of 4-band resistors using color codes quickly and accurately.
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Updated
Jun 17, 2025 - JavaScript
An online tool for calculating resistance values of 4-band resistors using color codes quickly and accurately.
Resistor color codes, Ohm's law, voltage dividers and series/parallel resistance, right in your browser.
Calculadora profesional de resistencias electrónicas por código de colores (versión 2.0). Este programa en Python permite identificar el valor de resistencias de 4, 5 y 6 bandas, mostrando su rango de tolerancia, coeficiente térmico y valores comerciales más cercanos.
Resistor Color Code Calculator written in WPF (school project)
Free tool that decodes the color bands, numbers, and markings on resistors, capacitors, inductors, diodes, transistors, crystals, fuses and more. By TheMakersWorkbench.com
Electronics design calculator: resistor codes, E-series, dividers, RC filters, NE555, op-amps, zener regulators and rectifiers.
r3cal: Resistor Color Code Calculator: Direnç Renk Kodu Hesaplayıcı
Calculate 3–6 band resistor values with tolerance and range details, and convert ceramic capacitor markings to capacitance—or capacitance back to standard codes.
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