Note: The standing charge is a fixed daily fee you pay regardless of appliance usage. The running cost (£XX.YY) is the actual cost of using this specific appliance.
Based on constant monthly usage. Actual costs may vary with seasonal usage patterns.

Appliance Energy Running Cost Calculator

Calculate the annual cost of running your household appliances

How it works: Enter the wattage of your appliance and how many hours per day you use it. The calculator uses the current UK Ofgem price cap to estimate your annual running costs.
Appliance Details
⚡ Electricity Tariff
Daily Usage
0 kWh
Energy consumed
Weekly Usage
0 kWh
7-day total
Annual Usage
0 kWh
Yearly total
Annual Cost
£0
Running cost only
Monthly Cost
£0
Average per month
CO₂ Emissions
0 kg
Annual (UK avg)
Cost per Use
£0.00
Per single use

📊 Cost Breakdown

Note: The standing charge is a fixed daily fee you pay regardless of appliance usage. The running cost is the actual cost of using this specific appliance.

📈 Monthly Cost Trend

Based on constant monthly usage. Actual costs may vary with seasonal usage patterns.

How to Use the Appliance Energy Running Cost Calculator UK

Understanding how much your household appliances cost to run is essential for managing your energy bills, especially with the current UK Ofgem price cap. Our free Appliance Energy Running Cost Calculator helps you calculate the exact annual and monthly running costs for any electrical device in your home.

Step-by-Step Guide

  1. Enter the Appliance Name: Give your device a label (e.g., “Washing Machine”, “TV”, “Fridge”) for easy reference.
  2. Power Rating (Watts): Check the label on your appliance or its manual for the wattage. Common values range from 60W (light bulb) to 3000W (kettle).
  3. Hours Used Per Day: Estimate how many hours the appliance runs daily. For a fridge, this is 24 hours; for a TV, perhaps 4 hours.
  4. Days Used Per Week: Enter how many days per week you use it (1-7).
  5. Electricity Price: The default value (24.50p/kWh) reflects the current UK Ofgem price cap. Adjust if you’re on a different tariff.
  6. Standing Charge: This is the fixed daily fee (60.12p/day) you pay regardless of usage. It’s included for context but doesn’t affect the appliance-specific cost.
  7. Click “Calculate Annual Cost”: The tool instantly shows your daily, weekly, and annual energy consumption in kWh, plus the total cost and CO₂ emissions.

Understanding Your Results

The calculator breaks down your results into clear metrics: Daily/Weekly/Annual Usage in kWh, Annual and Monthly Costs in pounds, and CO₂ Emissions based on the UK average (0.21 kg per kWh). The “Cost per Use” metric is particularly helpful—it shows exactly how much each individual use of your appliance costs you.

Frequently Asked Questions

How do I find the wattage of my appliance? Check the rating plate on the back or bottom of the device, or consult the user manual. You can also use a plug-in energy monitor for precise measurements.
What is the current UK electricity price cap? As of 2026, the Ofgem price cap is approximately 24.50p per kWh, with a standing charge of 60.12p per day. These values update regularly, so check Ofgem’s website for the latest rates.
Why is the standing charge shown separately? The standing charge is a fixed daily fee you pay to your energy supplier regardless of usage. It’s displayed for context but isn’t part of the appliance-specific running cost.
How can I reduce my appliance running costs? Use appliances during off-peak hours if you’re on an Economy 7 tariff, unplug devices when not in use, and consider upgrading to energy-efficient models with higher EPC ratings.

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