Solve voltage, current, resistance and power from any two known electrical values.
Geometry, statistics and practical science formulas.
Enter the requested values above and select Calculate. Change the inputs to compare scenarios.
With 12 V and 2 A, resistance is 6 Ω and power is 24 W.
Solve voltage, current, resistance and power from any two known electrical values.
Solve voltage, current, resistance and power from any two known electrical values.
Uses ideal DC Ohm’s law relationships. Real circuits can include reactive, nonlinear and temperature-dependent behavior.
Yes. ERICH Calculators is free to use and no account is required.
Uses ideal DC Ohm’s law relationships. Real circuits can include reactive, nonlinear and temperature-dependent behavior.
See how formulas, sources and limitations are handled across ERICH Calculators.