Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Electrical
Wire Gauge Calculator
Determines the minimum copper wire gauge (AWG) needed to limit voltage drop in an electrical run. Ideal for electricians, solar installers, and DIYers sizing cables for long runs.
Fill in the required fields to see your result.
Electrical
Voltage Drop Calculator
Computes the voltage drop across a wire run given current, one-way distance, wire gauge, and conductor material. Essential for ensuring devices receive adequate voltage at the end of long cable runs.
Fill in the required fields to see your result.
Key differences
| Wire Gauge Calculator | Voltage Drop Calculator | |
|---|---|---|
| Category | Electrical | Electrical |
| Inputs required | 3 | 4 |
| Result | Required Wire Gauge (AWG) | Voltage Drop (V) |
| What it does | Determines the minimum copper wire gauge (AWG) needed to limit voltage drop in an electrical run. Ideal for electricians, solar installers, and DIYers sizing cables for long runs. | Computes the voltage drop across a wire run given current, one-way distance, wire gauge, and conductor material. Essential for ensuring devices receive adequate voltage at the end of long cable runs. |