Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Electrical Home
Electrical Panel Upgrade Calculator
Find out what amperage panel you need after adding new circuits, EV chargers, or major appliances. Use it before calling an electrician so you arrive at the conversation with a concrete upgrade target.
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 Panel Upgrade Calculator | Electrical Panel Load Calculator | |
|---|---|---|
| Category | Electrical Home | Electrical Home |
| Inputs required | 4 | 3 |
| Result | Recommended Panel Size (amps) | Panel Capacity Needed (amps) |
| What it does | Find out what amperage panel you need after adding new circuits, EV chargers, or major appliances. Use it before calling an electrician so you arrive at the conversation with a concrete upgrade target. | 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. |