Electricity Running Cost Calculator.
Find out how much it really costs to power your home appliances. This free electricity running cost calculator helps you estimate daily, monthly, and yearly costs based on your device’s wattage, usage hours, and electricity price. Perfect for managing energy bills and spotting where you can save money.
Find out how much it really costs to power your home appliances. Enter the wattage, hours of use, and your electricity price to estimate daily, monthly, and yearly costs instantly.
This calculator uses the formula:
(Wattage × Hours Used ÷ 1,000) × Electricity Price
to estimate your total energy cost.
You can adjust the inputs to see how small changes in usage affect your bill.
Tips to Reduce Electricity Costs
Unplug standby devices when not in use.
Use energy-efficient appliances.
Run washing machines and dryers during off-peak hours.
Compare energy suppliers to find cheaper rates.
What Is an Electricity Running Cost Calculator?
An electricity running cost calculator helps you work out how much it costs to power everyday appliances in your home. By entering the wattage, usage hours, and your local electricity rate, you can instantly estimate daily, monthly, and yearly costs.
This simple calculation allows you to identify which devices consume the most energy and where small adjustments can make a significant impact on your bill.
How to Use the Electricity Running Cost Calculator
- Enter the wattage shown on your appliance label or manual.
- Add the average number of hours the device runs each day.
- Input your electricity rate (in pence or cents per kWh).
- Click Calculate to see energy use and estimated costs instantly.
💡 Tip: You can find your electricity rate on your energy bill or supplier’s website.
Understanding Your Results from the Electricity Running Cost Calculator
Energy per use (kWh): The energy used each time the appliance runs.
Monthly cost: Your estimated spend for typical use.
Yearly cost: Projected annual cost based on your entered values.
Average Appliance Running Costs
(Assuming 34p/kWh average rate)
| Appliance | Typical Wattage | Hours/Day | Monthly Cost (£) |
|---|---|---|---|
| Kettle | 2000W | 0.2 | 4.00 |
| Washing Machine | 700W | 1 | 7.14 |
| TV | 100W | 4 | 4.08 |
| Fridge | 150W | 24 | 36.72 |
| Laptop | 60W | 8 | 4.90 |
How to Lower Your Electricity Costs
Reducing your electricity bills doesn’t always mean using less- it means using smarter.
With a few practical changes at home, you can lower your energy consumption, improve efficiency, and still enjoy the same comfort and convenience. Here are some proven ways to start saving today.
Switch to Energy-Efficient Appliances
Older appliances often use far more power than modern, energy-efficient models.
When it’s time to replace a fridge, washing machine, or oven, look for products rated A or higher on the energy label.
These may cost slightly more upfront, but can save hundreds of pounds over their lifetime.
Even smaller swaps, like using LED light bulbs instead of halogen bulbs, can noticeably reduce your energy bill.
Use Smart Plugs and Timers
Smart plugs and timers let you control when your appliances draw power,
helping you avoid waste during off-hours.
You can schedule heaters, lights, or chargers to turn off automatically, or use smart home assistants to monitor energy use in real-time.
This not only cuts unnecessary power consumption but also adds convenience to your daily routine.
Avoid Standby Power Waste
Devices left on standby can still use up to 10% of your household electricity.
Switch off TVs, consoles, and chargers completely when not in use, or plug them into a power strip that can be turned off with one switch.
This small habit can help reduce annual electricity costs without requiring any lifestyle changes.
Compare Energy Tariffs Regularly
Energy prices fluctuate throughout the year, and many households overpay simply because they’ve never switched providers.
Use comparison tools to review your tariff every 6–12 months,
or check if you’re on a fixed-rate plan that could be updated.
Even a few pence difference per kWh can lead to significant savings over time.
Track Your Usage with Smart Meters
Smart meters give you real-time data about how much energy you’re using and when.
By seeing exactly which appliances use the most electricity,
you can make informed adjustments – such as running high-consumption devices during cheaper, off-peak hours. Monitoring usage is one of the simplest ways to stay aware and stay efficient.
Saving energy doesn’t have to be complicated – it just requires awareness and small, consistent action.
Use the Electricity Running Cost Calculator above to find your biggest energy drains, then apply these tips to reduce your costs month after month.
Frequently Asked Questions (FAQ)
Q: How can I calculate the cost of running an appliance?
A: Multiply the wattage by the hours used, divide by 1,000 to get kWh, then multiply by your electricity rate.
Q: What’s the average price per kWh?
A: Electricity prices vary by region, but the UK average is around 30–35p per kWh.
Q: Does standby mode use electricity?
A: Yes – most electronics still draw a small amount of power even when switched off.