Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Electrical Home
Electrical Load Calculator
Add up the total electrical load across lighting, outlets, and appliances in a home circuit or panel. Use it when sizing service panels, planning additions, or auditing existing electrical capacity.
Fill in the required fields to see your result.
Electrical Home
Electrical Panel Load Calculator
Estimate the minimum service amperage your home's electrical panel needs based on lighting, kitchen appliances, and HVAC loads. Use this before upgrading a panel or planning a new home build.
Fill in the required fields to see your result.
Key differences
| Electrical Load Calculator | Electrical Panel Load Calculator | |
|---|---|---|
| Category | Electrical Home | Electrical Home |
| Inputs required | 3 | 3 |
| Result | Total Electrical Load (watts) | Panel Capacity Needed (amps) |
| What it does | Add up the total electrical load across lighting, outlets, and appliances in a home circuit or panel. Use it when sizing service panels, planning additions, or auditing existing electrical capacity. | Estimate the minimum service amperage your home's electrical panel needs based on lighting, kitchen appliances, and HVAC loads. Use this before upgrading a panel or planning a new home build. |