Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Electrical
Electricity Cost Calculator
Estimate the monthly electricity cost of any appliance by entering its wattage, daily usage hours, and your utility rate. Ideal for budgeting energy bills or comparing the running costs of devices.
Fill in the required fields to see your result.
Electrical
Electrical Load Calculator
Compute the total electrical demand of a building by summing lighting, appliance, HVAC, and motor loads, then applying an NEC-compliant demand factor. Used by electricians and engineers to size service panels and main breakers.
Fill in the required fields to see your result.
Key differences
| Electricity Cost Calculator | Electrical Load Calculator | |
|---|---|---|
| Category | Electrical | Electrical |
| Inputs required | 3 | 5 |
| Result | Monthly Cost ($) | Required Panel Capacity (W) |
| What it does | Estimate the monthly electricity cost of any appliance by entering its wattage, daily usage hours, and your utility rate. Ideal for budgeting energy bills or comparing the running costs of devices. | Compute the total electrical demand of a building by summing lighting, appliance, HVAC, and motor loads, then applying an NEC-compliant demand factor. Used by electricians and engineers to size service panels and main breakers. |