Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Electrical Home
Generator Sizing Calculator
Calculate the minimum generator wattage needed to power your home's essential loads, motors, and well pump during an outage. Use it before buying a standby or portable generator to avoid under-sizing.
Fill in the required fields to see your result.
Electrical Home
Electricity Cost Calculator
Estimate how much any appliance costs to run daily, monthly, or annually based on its wattage, hours of use, and your utility rate. Ideal for budgeting energy costs or comparing efficient replacements.
Fill in the required fields to see your result.
Key differences
| Generator Sizing Calculator | Electricity Cost Calculator | |
|---|---|---|
| Category | Electrical Home | Electrical Home |
| Inputs required | 5 | 4 |
| Result | Minimum Generator Size (watts) | Annual Cost ($) |
| What it does | Calculate the minimum generator wattage needed to power your home's essential loads, motors, and well pump during an outage. Use it before buying a standby or portable generator to avoid under-sizing. | Estimate how much any appliance costs to run daily, monthly, or annually based on its wattage, hours of use, and your utility rate. Ideal for budgeting energy costs or comparing efficient replacements. |