Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Electrical Home
Ohm's Law Calculator
Solve for voltage, current, resistance, or power in any DC circuit using Ohm's Law. Ideal for electronics students, hobbyists, and engineers troubleshooting circuits.
Fill in the required fields to see your result.
Electrical Home
Wire Gauge Calculator
Find the minimum safe AWG wire gauge for an electrical circuit based on current load, wire run length, and system voltage. Use this when wiring new circuits, extending runs, or verifying existing installations.
Fill in the required fields to see your result.
Key differences
| Ohm's Law Calculator | Wire Gauge Calculator | |
|---|---|---|
| Category | Electrical Home | Electrical Home |
| Inputs required | 4 | 3 |
| Result | Calculated Value (varies) | Recommended Wire Gauge (AWG) |
| What it does | Solve for voltage, current, resistance, or power in any DC circuit using Ohm's Law. Ideal for electronics students, hobbyists, and engineers troubleshooting circuits. | Find the minimum safe AWG wire gauge for an electrical circuit based on current load, wire run length, and system voltage. Use this when wiring new circuits, extending runs, or verifying existing installations. |