Elektriciteitskosten Calculator
Bereken real-time maandelijkse/jaarlijkse elektriciteitsrekeningen op basis van het stroomverbruik van elk apparaat.
Begrijp energiebesparende punten met de grafiek met de uitsplitsing van de kosten per apparaat.
📊 Cost Breakdown by Appliance
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About
The Electricity Cost Calculator estimates monthly and yearly electricity costs by appliance based on power consumption (watts) and daily usage hours. It includes 12 preset appliances and supports custom entries.
A color-coded bar chart visualizes cost breakdown by appliance, and an automatic saving tip highlights which appliance costs the most. All calculations run in your browser — no data is sent to any server.
How to Use
Set kWh Rate
Enter your electricity rate per kWh (check your bill or use the pre-filled average).
Add Appliances
Choose from presets or enter custom wattage and daily usage hours.
View Results
Monthly/yearly costs and a breakdown chart are displayed in real time.
Glossary
- kWh (Kilowatt-hour)
- Unit of electrical energy. Using a 1kW (1000W) appliance for one hour consumes 1 kWh. Electricity bills are charged based on this unit.
- Watt (W)
- Unit of electrical power. Represents the power consumption of an appliance. 1000W = 1kW.
- Standby Power
- Small amount of electricity consumed even when a device is turned off. TVs and game consoles can cost hundreds of dollars per year in standby power.
- Inverter
- Technology that controls motor speed. Inverter air conditioners adjust output as needed to reduce power consumption.
- Renewable Energy Surcharge
- A fee added to electricity bills to fund renewable energy development, included in the kWh rate.
- Contracted Capacity
- The maximum current (amperage) contracted with the utility. Exceeding this with simultaneous appliance use can trip circuit breakers.
- Energy Star Label
- A program certifying appliance energy efficiency. Higher rated appliances consume less electricity.
- Energy Deregulation
- A policy allowing consumers to choose their electricity supplier, leading to diverse pricing plans in many regions.
FAQ
- Q.Where do I find my electricity rate per kWh?
- Check your electricity bill or utility provider's website. The US average is around $0.16/kWh.
- Q.Should I run the refrigerator for 24 hours?
- Yes. Refrigerators run continuously, but the compressor cycles on/off, so actual consumption may be lower than the rated wattage.
- Q.Why does AC power consumption vary?
- Inverter-controlled ACs adjust output based on outdoor temperature and set temperature. The preset values are typical averages.
- Q.How much standby power do appliances use?
- TVs use about 0.5W, game consoles 1–5W, and microwaves about 1W. This can add up to $50–100/year.
- Q.Is my data sent to any server?
- No. All calculations run locally in your browser. No data is sent externally.
- Q.Why doesn't the result match my actual bill?
- This tool provides estimates. Actual bills include tiered pricing, fuel adjustment fees, and other surcharges.
- Q.Can I calculate multiple appliances at once?
- Yes. Add as many appliances as you want with the "+ Add Appliance" button, and all totals are automatically summed.
- Q.Can I use it for electricity rates outside the US?
- Yes. Change the kWh rate to your local rate and it will work worldwide.
Use Cases
Understand Your Bill
Break down your monthly electricity bill by appliance to find savings opportunities.
Energy-Efficient Upgrade
Estimate the savings from upgrading to energy-efficient appliances before buying.
New Home Budget
Predict utility costs for a new home to plan your budget.
Remote Work Costs
Estimate additional electricity costs from working from home with PC and lighting.
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