Appliance Electricity Cost
Easily simulate electricity costs from appliance wattage and usage hours
家電の電気代計算
計算結果
About Appliance Electricity Cost
The Appliance Electricity Cost Calculator is a free online tool that calculates daily, monthly, and yearly electricity costs and consumption (kWh) based on appliance wattage and usage hours. It includes 14 preset appliances such as air conditioners, refrigerators, TVs, computers, microwaves, and hair dryers for one-click cost estimates. You can freely adjust the electricity rate (JPY/kWh) and days per month to compare different utility providers and plans. Visualize which appliances are driving your electricity bill to implement effective energy-saving measures. All processing happens in your browser — no data is sent to any server.
From June through August, cooling appliances, fans, and dehumidifiers are used more often, so comparing wattage by appliance becomes especially useful. Enter summer vacation or work-from-home usage patterns to estimate how much your monthly cost may increase.
How to use Appliance Electricity Cost
- Select a preset appliance or enter custom wattage (W)
- Enter daily usage hours
- Check/adjust electricity rate (default: ¥31/kWh) and days per month
- Daily, monthly, and yearly costs with kWh consumption are shown automatically
Benefits of Appliance Electricity Cost
- 14 preset appliances for quick cost estimates
- View daily, monthly, and yearly cost breakdown
- Compare different electricity rate plans
- Browser-only processing ensures privacy
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