Calculate resistor value and tolerance.
The app calculates the value and tolerance of electric resistors based on their color bands. Users select the resistor's colors, and the app displays the corresponding value and tolerance.
Showing 1–20 of 1,000 ranked alternatives.
Murat Yasin YAZDIRAN
Decode colors and see resistance value
Decode bands by selecting colors to determine resistance and tolerance. Supports 4-band resistors. Provides accurate calculations. Features a clean interface and works offline.
Max Kievits
Calculate values instantly
Calculate values by selecting color bands. Display resistance, tolerance, and temperature coefficient. Visualize bands with interactive color selection.
EONSOFT
Calculate value by bands
Calculator determines resistance value based on colored bands. Users select band count and for each band. The displays the resistance value and visual representation of selected colors. Helps configure electronics projects.
Fabian Schiller
Select resistor colors and get value instantly
Determine resistor values by selecting ring colors and number of rings. Choose orientation with the larger gap on the right. Receive value, tolerance, and other details.
Marc Rummel
Enter resistor code or value to get
Identify resistor values by entering code or value. Support for through-hole and SMD . Provide resistor color codes and numerical values. Available in English, French, German, and Spanish.
Arkadiusz Fryszkowski
Scan barcodes, select colors, calculate resistance
Calculate values using colors. Select bands for 4, 5, or 6 band resistors. Switch modes by swiping the screen. Display numerical value and tolerance.
Aryaman Sharda
Calculate values by bands
Determine values by selecting bands. Calculate resistance, tolerance, and temperature coefficients. View detailed specifications and compare ratings.
Ha Do Thi Thu
Calculate resistors, voltage, and capacitance
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.
Siu Yuen Ho
Calculate values in series or parallel
Calculate resistance for series or parallel combinations. Determine pairs to achieve a target resistance. Compute R1/R2 ratios and voltage divider values. Calculate values for inverting amplifier gain. Save results as CSV files.
Rostyslav Dovhaliuk
Search datasheets and calculate resistor values
Datasheet search allows users to find electronic components. Resistor color codes and markings are decoded for 4, 5, and 6 band codes. Electronic symbols are displayed according to IEC 60617, IEEE 315, and GOST standards.
Electronial
Calculate resistor values by color
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.
V PUGAZHENTHI
Calculate values instantly
Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.
Adafruit Industries LLC
Calculate component values and resistor codes
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.
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