Find the electricity units (kWh) an appliance uses.
Converts power and time into kilowatt-hours, the standard billing unit for electricity.
Units: (Power in watts ÷ 1000) × hours
How many units does a typical AC use per hour?
It depends on the AC's size and star rating, but a 1.5-ton AC often uses about 1-1.5 units per hour. Check your own appliance's rated power for an exact figure.