Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Electrical Home
Electricity Cost Calculator
Calculate how much an appliance or device costs to run per day, month, and year based on its power rating and your electricity rate. Use it to compare appliances, spot energy hogs, or estimate bill impact before buying a new device.
Fill in the required fields to see your result.
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.
Key differences
| Electricity Cost Calculator | Generator Sizing Calculator | |
|---|---|---|
| Category | Electrical Home | Electrical Home |
| Inputs required | 4 | 5 |
| Result | Annual Electricity Cost ($) | Minimum Generator Size (watts) |
| What it does | Calculate how much an appliance or device costs to run per day, month, and year based on its power rating and your electricity rate. Use it to compare appliances, spot energy hogs, or estimate bill impact before buying a new device. | 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. |