12 focused tools · one transparent engine

Electricity-cost calculators

Choose the device model that matches how the load actually behaves. Every tool supports editable tariff, currency, runtime, and assumptions.

Any appliance

Calculate the hourly, daily, monthly, and annual cost of any electrical appliance using its wattage, runtime, and your own electricity rate.

Estimate AC running cost with compressor duty cycle, daily runtime, seasonal usage, currency, and your local electricity tariff.

Estimate refrigerator or freezer running cost while accounting for compressor cycling rather than assuming full power all day.

Calculate the running cost of portable heaters, panel heaters, oil-filled radiators, and other resistive electric heating.

Estimate the cost of an electric storage water heater, immersion heater, instant heater, or geyser using power, heating time, and tariff.

Estimate washing-machine electricity cost per month and year from cycle duration, power, load frequency, and your tariff.

Estimate tumble-dryer cost by cycle, month, and year using input power, cycle duration, weekly loads, and local electricity price.

Calculate what one or several ceiling fans cost to run per hour, month, cooling season, and year.

Calculate energy drawn from the wall using battery size, charge window, charging losses, monthly frequency, currency, and electricity rate.

Estimate dehumidifier running cost using compressor power, daily schedule, humidity-driven duty cycle, and local tariff.

Calculate pool-pump electricity cost from motor input power, filtration hours, weekly schedule, and your electricity price.

Reveal the annual cost of routers, televisions, consoles, chargers, smart devices, and other always-on loads.