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Use this tool to find the ohm value and tolerance of resistors based on color codes, or the total resistance of resistors in parallel or series. You can also calculate the resistance of a conductor based on size and conductivity.
To calculate the voltage drop across a resistor using Ohm's law, proceed as follows: Find out the resistance of the resistor. Measure the current through the resistor using an ammeter.
Enter the color bands of a resistor and get its resistance, tolerance and temperature coefficient. This calculator supports resistors with 3, 4, 5 and 6 bands and follows the IEC 60062:2016 standard.
This free Ohm's Law calculator solves for any of the variables in the Ohm's Law equation using various units of measurement and gives out the solving steps.
Use DigiKey’s Ohm’s Law calculator to calculate the relationships between current, voltage, resistance, and power in simple resistive circuits. Enter at least any two input values and click calculate to solve for the remaining values.
Simple to use Ohm's Law Calculator. Calculate Power, Current, Voltage or Resistance. Just enter 2 known values and the calculator will solve for the others.
This ohm resistance calculator will readily calculate resistance and tolerance of an electrical circuit based on colour codes. Also computes conductor’s resistance based on conductivity and size values entered.
