Electricity Bill Calculator

Estimate your electricity cost from units consumed, or work out what an appliance costs to run.

By units consumed

Units (kWh)

Rate per unit

Fixed charge

Appliance running cost

Power (watts)

Hours per day

How it works

Bill = (units × rate) + fixed charge. One "unit" is 1 kWh. An appliance's daily usage (kWh) = watts ÷ 1000 × hours; multiply by the rate for the cost.