💡 电费计算器（电器耗电）Electricity Cost Calculator
根据电器功率、每天使用时长和电价，计算每天、每月、每年的耗电量（度）和电费。Energy use (kWh) and cost per day, month and year from appliance wattage, hours of use and price.
使用说明与常见问题How-to & FAQ
「电费计算器（电器耗电）」是什么？What is the Electricity Cost Calculator tool?
根据电器功率、每天使用时长和电价，计算每天、每月、每年的耗电量（度）和电费。Energy use (kWh) and cost per day, month and year from appliance wattage, hours of use and price.
如何使用「电费计算器（电器耗电）」？How do I use the Electricity Cost Calculator tool?
在「电费计算器（电器耗电）」中，填写「功率(瓦)」、「每天小时」、「数量」、「电价/度」等参数，结果会随输入实时计算并显示在下方。In the Electricity Cost Calculator: Fill in "Power (W)", "Hours per day", "Quantity", "Price per kWh"; results are recalculated instantly as you type.
计算结果可以作为最终依据吗？Can I rely on the result?
「电费计算器（电器耗电）」按标准公式计算，结果仅供参考；实际金额以银行、券商或税务机关的规则和四舍五入方式为准。The Electricity Cost Calculator uses standard formulas and is for estimation only; actual figures depend on your bank, broker or tax authority's rules and rounding.
「电费计算器（电器耗电）」免费吗？需要注册吗？Is the Electricity Cost Calculator free? Do I need an account?
「电费计算器（电器耗电）」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Electricity Cost Calculator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.