Resistor, Capacitor color code vs Resistor Code Calculator Pro

*** See the demo video at: color.smd.promoapps.eu *** Color and SMD code calculator is a user-friendly toolkit for electronics engineers and students to determine values of resistor color code, capacitor color code, inductor color code, SMD resistor code and SMD capacitor code.  Additionally, you can make calculations related to Ohm's law, Voltage divider, Reactance & Resonance, result value of Resistors, Capacitors or Inductors connected in series or parallel, Capacitor charge. The app includes: Resistor color code: - 3, 4, 5 and 6 band code. Calculates the nearest EIA standard values. SMD resistor code: - 1 to 4 digit code. - EIA-96 with 1% tolerance (13D format). - 3 symbol code with 2%, 5% or 10% tolerance (D13 format). Polyester capacitor color code: - 4-band code with a marking of working voltage. - 5-band code with a marking of working voltage and tolerance. Ceramic capacitors color code with a working voltage marking: - 3-band code. - 5-band code with a marking of working voltage and tolerance. Ceramic capacitors color code with a temperature coefficient marking: - 3-band code. - 5-band code with a marking of temperature coefficient and tolerance Tantalum capacitors color code: - 4-band code with a marking of working voltage. SMD capacitor code: - 2 or 3 digit codes - Numeric decimal code - 3 to 6 symbol code with additional marking of the unit of measurement, tolerance, working voltage. - Additional information for calculating the temperature coefficient of ceramic capacitors. Inductors color code: - 3-band code. - 4-band code with a marking of tolerance. Auxiliary calculations: - Ohm's law - calculates Resistance, Voltage, Current and Power by entering two of the known values. - Voltage divider - calculates Vin, Vout or any of the resistors by entering three of the known values. - Reactance & Resonance - calculates capacitive and inductive reactance. Also calculates inductance and capacitance when RLC Circuit is in resonance. - Resistors in series or parallel - calculates total resistance in circuit of resistors in series or parallel. If result is not Standard Resistor Value (E6, E12, E24, E48, E96, E192), the nearest possible Standard Value will be displayed. Also calculates values of resistors in series or parallel by desired value. - Capacitors in series or parallel - calculates total capacitance in circuit of capacitors in series or parallel. - Inductors in series or parallel - calculates total inductance in circuit of inductors in series or parallel. - Capacitor charge - calculates maximum Current and Charge of the circuit. Also calculates Current and Charge after specific time interval.

Resistor Calculator is a practical offline toolbox for electronics students, makers, repair technicians, and engineers who work with resistors and common circuit calculations. Decode resistor color bands, convert resistance values into color bands, read SMD resistor markings, browse E-Series values, and solve everyday resistor-related circuit problems in one focused app. RESISTOR TOOLS • Decode 3, 4, 5, and 6-band resistors • Convert resistance values into color bands • Support engineering notation such as 4.7k, 4k7, 2M2, and 0R22 • Calculate tolerance, minimum, and maximum resistance • Show temperature coefficient for 6-band resistors • Reverse resistor reading direction • Copy, share, save, and reset results SMD RESISTOR CODES • Decode 3-digit and 4-digit SMD codes • Support R, K, and M notation • Support EIA-96 markings • Handle zero-ohm resistors • Convert resistance values back into suitable SMD codes • Explain decoded values clearly E-SERIES VALUES • Browse E6, E12, E24, E48, E96, and E192 values • Find the nearest standard resistor values • Compare error and tolerance ranges • Open selected values directly in resistor tools CIRCUIT CALCULATORS • Series and parallel resistance • Ohm’s Law • Voltage divider • LED current-limiting resistor • Target resistance combinations • Wheatstone bridge • Op-amp gain • Star / Delta conversion • Wire resistance • Voltage drop • Pull-up / Pull-down resistor • RC time constant LIBRARY WORKFLOW • Save calculation history • Add results to Favorites • Organize values and calculations into Projects • Export project data as CSV, JSON, or plain text • Review saved calculations later BUILT FOR DAILY ELECTRONICS WORK Resistor Calculator is designed to be fast, clear, and focused. Results update immediately as you enter values, and formulas are available when you need to understand how a calculation was made. All core calculations run on your device and the app works without an account or internet connection.