Circuit Calculator
Calculate voltage, current, resistance, and power in basic circuits.
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Electrical circuit calculator
Ohm's law
Power calculation
Series circuit
Parallel circuit
📝 Equations used
Ohm's law:
V = I × R
Power:
P = V × I
Power (By resistance):
P = I² × R
Series circuit:
R_total = R₁ + R₂ + R₃ + ...
Parallel circuit:
1/R_total = 1/R₁ + 1/R₂ + 1/R₃ + ...