Engineering tools
Electrical and electronics calculators. Pick a tool and get straight to the task.
Engineering
Ohm’s Law Calculator
Enter any two of voltage, current, resistance and power to solve the remaining values.
Open tool →EngineeringVoltage Divider Calculator
Calculate unloaded or loaded resistor-divider output voltage and branch current.
Open tool →EngineeringResistor Color Code Calculator
Decode common 4-band and 5-band resistor colors into resistance and tolerance.
Open tool →EngineeringElectrical Power Calculator
Calculate electrical power, current, voltage or energy for a simple DC/single-phase load.
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