Energy/Electricity Usage Calculator

Enter appliance power and usage time to calculate daily, monthly, and yearly consumption and estimated electricity costs. Built-in common appliance power presets for quick selection.

Common Appliance Power Presets

Appliance Power (W)

Quantity

Daily Usage Time

Enter hours and minutes of daily usage

Electricity Rate ($/kWh)

$/kWh

Default 0.12 $/kWh, adjust according to your local rate

Results

Daily Usage

kWh

Monthly Usage (30 days)

kWh

Yearly Usage (365 days)

kWh

Daily Cost

Monthly Cost

Yearly Cost

Calculation Details

Usage Calculation Formula: Usage (kWh) = Power (W) x Quantity x Time (h) / 1000

Cost Calculation Formula: Cost = Usage (kWh) x Rate ($/kWh)

Note: Results are theoretical estimates. Actual consumption may vary due to actual appliance power, usage frequency, energy efficiency ratings, etc. Compare with your electricity bill for reference.