Electrical Panel Load Calculator
Add up circuit loads to check current draw against your panel rating.
Compare Your Options And Get Clear Answers
Add up circuit loads to check current draw against your panel rating.
Electrical Panel Load Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Electrical Quick Guide
Typical values for reference.
| Lighting W | Appliance W | HVAC W | Amps |
|---|---|---|---|
| 3000 | 8000 | 5000 | 72.9 A |
| 2000 | 4000 | 3000 | 43.8 A |
| 4000 | 12000 | 9000 | 110.4 A |
| 3000 | 6000 | 5000 | 64.6 A |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Electrical Panel Load Calculator FAQ
Answers to common questions about this calculator.
Add all loads in watts and divide by supply voltage.
Continuous loads should stay under 80 percent of the rating.
Rarely, so real demand is often lower.
No. Ask a qualified electrician.
