Electricity Calculator

Calculate electricity cost for a single device or an entire household, and convert between energy units.

Mode

Power Consumption (Watts)

Electricity Rate ($/kWh)

Hours Used Per Day

Days Used Per Year

Quick-select appliance

Daily Cost

$1.04

8.00 kWh

Monthly Cost

$31.63

243.3333 kWh

Yearly Cost

$379.60

2,920.00 kWh

Cost Breakdown

Period	Energy (kWh)	Cost ($)
Per Hour	1.00	$0.13
Per Day	8.00	$1.04
Per Week	56.00	$7.28
Per Month	243.3333	$31.63
Per Year	2,920.00	$379.60

Formula Used

Energy (kWh)	Watts × Hours ÷ 1000
Cost ($)	kWh × Rate ($/kWh)