Voltage (V)
--
Ohm's Law+
An Ohm's Law calculator and resistor color code calculator.
Enter two values
Provide any two quantities below to solve the full Ohm's Law set.
Current (I)
--
Resistance (R)
--
Power (P)
--
Resistor color codes
Choose the band count, then adjust each color to reveal resistance, tolerance, and temperature coefficient.
Drag the bands
Swipe or drag up and down on each band to cycle through available colors.
Resistance
0 Ω
Tolerance range
0 Ω — 0 Ω
±0%
0 ppm/K