Electricity Consumption and Cost Calculator

Calculate appliance energy use in kWh and its monthly and annual electricity cost.

Appliance

Appliance power in watts

Number of appliances

Hours used per day

Days used per month

Electricity rate per kWh

Fixed monthly charge

Loss or additional consumption (%)

Carbon emissions per kWh (kg)

Currency

Monthly cost—Annual cost —

Daily energy—

Monthly energy—

Annual energy—

Monthly emissions—

Appliance wattages are examples; use actual consumption and your provider’s tariff. Annual projection = 12 identical months at the selected settings, including fixed monthly charges. Emissions factor is entered manually; tariff tiers and bill taxes are excluded.

Back to tools