4 Professional Tools
Basic Circuit
Free online calculators for Ohm's Law, voltage dividers, and current dividers. Solve voltage, current, resistance, and power in seconds.
Ohm's Law Calculator
Solve voltage, current, resistance, or power
voltage
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Voltage Divider Calculator
Loaded and unloaded divider output voltage
divider
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Current Divider Calculator
Branch current in a parallel resistor network
parallel
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Electrical Power Calculator
Calculate watts, voltage, current, or resistance
power
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