⚡ 瓦·年 ↔ 撒姆（英）Watt-year (365 d) to Therm (UK)
瓦·年与撒姆（英）互算（1 W·yr = 0.298903607 thm UK）。本地换算，附常用相关单位。Convert watt-year (365 d) and therm (UK) (1 W·yr = 0.298903607 thm UK). Runs locally with related units.
点击任意一行可复制该结果；小于 0.0001 或不小于 10¹⁵ 的数值用 × 10ⁿ 科学计数法显示Click any row to copy that result. Values below 0.0001 or at least 10¹⁵ are shown in × 10ⁿ notation
使用说明与常见问题How-to & FAQ
「瓦·年 ↔ 撒姆（英）」是什么？What is the Watt-year (365 d) to Therm (UK) tool?
瓦·年与撒姆（英）互算（1 W·yr = 0.298903607 thm UK）。本地换算，附常用相关单位。Convert watt-year (365 d) and therm (UK) (1 W·yr = 0.298903607 thm UK). Runs locally with related units.
如何使用「瓦·年 ↔ 撒姆（英）」？How do I use the Watt-year (365 d) to Therm (UK) tool?
在「瓦·年 ↔ 撒姆（英）」中输入数值并选择原单位，表格会同时列出换算到所有其他单位的结果，可一键复制。Enter a value in the Watt-year (365 d) to Therm (UK) and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 瓦·年等于多少撒姆（英）？How many therm (UK) in 1 watt-year (365 d)?
1 W·yr = 0.298903607 thm UK（按国际定义系数）。1 W·yr = 0.298903607 thm UK (international definition).
如何把瓦·年换算成撒姆（英）？How do I convert watt-year (365 d) to therm (UK)?
结果 = 数值 × 0.298903607。例如 1 W·yr = 0.298903607 thm UK。result = value × 0.298903607. Example: 1 W·yr = 0.298903607 thm UK.
瓦·年/撒姆（英）属于哪类单位？What kind of units are watt-year (365 d)/therm (UK)?
二者同属「能量」量纲，可安全互算；也可打开「energy-converter」做多单位对照。Both are energy units; see also the energy converter hub.
换算系数准确吗？Are the conversion factors exact?
「瓦·年 ↔ 撒姆（英）」采用国际单位制（SI）或公认标准中的定义值作为换算系数，结果保留约 10 位有效数字。The Watt-year (365 d) to Therm (UK) uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「瓦·年 ↔ 撒姆（英）」免费吗？需要注册吗？Is the Watt-year (365 d) to Therm (UK) free? Do I need an account?
「瓦·年 ↔ 撒姆（英）」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 Watt-year (365 d) to Therm (UK) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.