Electricity Cost Calculator

Calculate your cost per kilowatt-hour (kWh) to understand your electricity expenses. Use this calculator to compare energy providers, identify high-usage areas, and find ways to reduce your power bill.

Calculate Cost Per kWh

How It Works

The electricity cost calculator uses this formula:

Cost Per kWh = Total Cost ÷ Total kWh Used

For example, if your electricity bill is $120 for 600 kWh, your cost per kWh is $0.20.

Common Uses

Example Calculations

Household$120 ÷ 600 kWh = $0.20/kWh
Small Apartment$50 ÷ 250 kWh = $0.20/kWh
Office Space$300 ÷ 1,500 kWh = $0.20/kWh
Restaurant$600 ÷ 3,000 kWh = $0.20/kWh
Warehouse$500 ÷ 2,500 kWh = $0.20/kWh

Author: Unit Rates | Last Updated: January 7, 2026