Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
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.
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.
Key differences
| Electrical Power Calculator | Electricity Cost Calculator | |
|---|---|---|
| Category | Electrical | Electrical |
| Inputs required | 2 | 3 |
| Result | Power (W) | Monthly Cost ($) |
| What it does | 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. | 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. |