Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Electrical Home
Electrical Outlet Circuit Calculator
Find out how many electrical outlets can safely share a single circuit, given the breaker size and any dedicated loads already on it. Use it when planning a room addition, workshop, or home office wiring layout.
Fill in the required fields to see your result.
Electrical Home
Circuit Breaker Sizing Calculator
Determine the correct circuit breaker amperage for any electrical circuit using NEC load classification rules. Use it when designing new circuits or upgrading panels for continuous, non-continuous, and motor loads.
Fill in the required fields to see your result.
Key differences
| Electrical Outlet Circuit Calculator | Circuit Breaker Sizing Calculator | |
|---|---|---|
| Category | Electrical Home | Electrical Home |
| Inputs required | 4 | 3 |
| Result | Maximum Outlets (outlets) | Required Breaker Size (amps) |
| What it does | Find out how many electrical outlets can safely share a single circuit, given the breaker size and any dedicated loads already on it. Use it when planning a room addition, workshop, or home office wiring layout. | Determine the correct circuit breaker amperage for any electrical circuit using NEC load classification rules. Use it when designing new circuits or upgrading panels for continuous, non-continuous, and motor loads. |