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 Power Calculator
Calculates electrical power in watts from voltage and current using P = V Γ I. Used by electricians, engineers, and DIYers to size fuses, cables, power supplies, and estimate appliance energy use.
Fill in the required fields to see your result.
Key differences
| Electricity Cost Calculator | Electrical Power Calculator | |
|---|---|---|
| Category | Electrical | Electrical |
| Inputs required | 3 | 2 |
| Result | Monthly Cost ($) | Power (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. | Calculates electrical power in watts from voltage and current using P = V Γ I. Used by electricians, engineers, and DIYers to size fuses, cables, power supplies, and estimate appliance energy use. |