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- Appliance Daily CostCalculate daily electricity cost for any appliance from watts and runtime.
- Appliance Monthly EnergyConvert appliance watts and daily use into monthly kWh.
- Energy ConsumptionEstimate total kWh from watts, hours per day, and number of days.
- Electric Heater CostEstimate heating cost from wattage, run hours, days, and electricity rate.
- Air Conditioner Energy CostEstimate monthly AC electricity cost from watts, daily hours, and rate.
- Refrigerator Energy UsageEstimate refrigerator kWh and cost from wattage and electricity rate.
- Vampire Power CostEstimate yearly electricity cost for TVs, chargers, and other devices drawing power in standby.
- Standby Power WasteQuantify phantom load cost from devices left plugged in 24/7 on standby.
- Generator Fuel ConsumptionEstimate fuel use per hour and runtime from tank size at your load level.
- Heat Pump vs. Resistance …Compare electric heating cost: resistance strips (COP 1) vs. heat pump COP.
- Whole House Energy BudgetSum daily kWh by category and estimate monthly and annual electricity cost.
- Lighting Circuit LoadSum fixture watts, compute circuit amps, and check breaker utilization against the 80% continuous-load guideline.