Appliances calculators
Daily use and electricity cost
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Appliance Daily Cost
Calculate daily electricity cost for any appliance from watts and runtime.
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Appliance Monthly Energy
Convert appliance watts and daily use into monthly kWh.
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Energy Consumption Calculator
Estimate total kWh from watts, hours per day, and number of days.
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Electric Heater Cost Calculator
Estimate heating cost from wattage, run hours, days, and electricity rate.
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Air Conditioner Energy Cost Calculator
Estimate monthly AC electricity cost from watts, daily hours, and rate.
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Refrigerator Energy Usage Calculator
Estimate refrigerator kWh and cost from wattage and electricity rate.
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Crypto Mining Power Calculator
Estimate kWh and electricity cost for GPU/ASIC rigs by wattage and run hours.
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Standby Power Waste Calculator
Quantify phantom load cost from devices left plugged in 24/7 on standby.
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Generator Fuel Consumption Calculator
Estimate fuel use per hour and runtime from tank size at your load level.
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Heat Pump vs. Resistance Heat Calculator
Compare electric heating cost: resistance strips (COP 1) vs. heat pump COP.
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Whole House Energy Budget Calculator
Sum daily kWh by category and estimate monthly and annual electricity cost.