Convert resistor color codes to resistance values by dragging and dropping colors. Calculate capacitor values by dragging numbers to the capacity section. Display resistance and capacitance with precision indicators.
by atsuhiro ichikawa★ 4.01 ratingsUtilitiesFreeData updated 2026-09-09
Calculate component values for Op Amp, 555, RC Filter, and Resistor Divider circuits. Decode resistor and capacitor codes. Compute power, resistance, current, and voltage using Ohm's Law and Power Calculators.
ElecKit provides tools for calculations. Users can calculate resistor values with 4/5 band codes and tolerance. It includes Ohm’s Law functions for voltage, current, resistance, and power.
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Toolkit provides resistor calculations based on color codes or SMD values. It includes an LED resistor calculator and parallel resistor tools. Users can reference electronic components and formulas for design and troubleshooting.
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Calculate electrical values using over 130 circuit calculators. Analyze resistor, capacitor, and inductor values. View component datasheets and circuit diagrams. Convert units and solve Ohm's law problems.