Ohm’s Law Calculator
ohms_law_calculatorRead-onlyIdempotent
Enter any two of volts, amps, ohms and watts to get the other two. Also converts watts to amps for DC, single-phase and three-phase AC with power factor. Web page: https://calcbright.com/ohms-law-calculator
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| i | No | Current (I) (A) | |
| p | No | Power (P) (W) | |
| r | No | Resistance (R) (Ω) | |
| v | No | Voltage (V) (V) | |
| pf | No | Power factor 1 for heaters and incandescent lamps; about 0.8–0.95 for motors and electronics. | |
| amps | No | Current (A) | |
| mode | No | Calculate | ohm |
| phase | No | Circuit | ac1 |
| solve | No | Find | amps |
| volts | No | Voltage (V) | |
| watts | No | Power (W) |