Energy Cost Calculator

Calculate your electricity costs

This calculator allows you to calculate the daily, monthly, and yearly costs of your electrical equipment and devices. Add multiple appliances and devices and see the total costs below.

⚡ Energy Rate

Cost per kWh (in pence)

Current UK average: 27.35p per kWh

🔌 Add Appliance

Select a Device

Power Consumption

Watts

Hours of Use Per Day

💡 How is it calculated?

To calculate how much a device or appliance costs to run, simply multiply the amount of energy used (kWh) by the unit cost of one kWh.

Example:

If an oven uses 2000 watts of electricity, or 2 kW, and you use the oven for 2 hours, then you will have used 4 kWh.

If the unit cost of 1 kWh is 35p, multiply 35p by 4.

£0.35 × 4 = £1.40

📋 Your Appliances

No appliances added yet. Add your first appliance above to get started.

💰 Money Saving Tips

Switch to LED bulbs - they use 80% less energy than incandescent bulbs
Unplug devices when not in use to avoid standby power consumption
Use energy-efficient appliances with A+ ratings or better
Wash clothes at 30°C instead of 40°C to save energy
Only boil the amount of water you need in the kettle