💾 块（512 字节） ↔ 双字Block (512 B) to Double word
块（512 字节）与双字互算（1 block = 128 dword）。本地换算，附常用相关单位。Convert block (512 B) and double word (1 block = 128 dword). 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
「块（512 字节） ↔ 双字」是什么？What is the Block (512 B) to Double word tool?
块（512 字节）与双字互算（1 block = 128 dword）。本地换算，附常用相关单位。Convert block (512 B) and double word (1 block = 128 dword). Runs locally with related units.
如何使用「块（512 字节） ↔ 双字」？How do I use the Block (512 B) to Double word tool?
在「块（512 字节） ↔ 双字」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 Block (512 B) to Double word and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 块（512 字节）等于多少双字？How many double word in 1 block (512 B)?
1 block = 128 dword（按国际定义系数）。1 block = 128 dword (international definition).
如何把块（512 字节）换算成双字？How do I convert block (512 B) to double word?
结果 = 数值 × 128。例如 1 block = 128 dword。result = value × 128. Example: 1 block = 128 dword.
块（512 字节）/双字属于哪类单位？What kind of units are block (512 B)/double word?
二者同属「数据量」量纲，可安全互算；也可打开「data-storage-converter」做多单位对照。Both are data size units; see also the data storage converter hub.
换算系数准确吗？Are the conversion factors exact?
「块（512 字节） ↔ 双字」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 Block (512 B) to Double word uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「块（512 字节） ↔ 双字」免费吗？需要注册吗？Is the Block (512 B) to Double word free? Do I need an account?
「块（512 字节） ↔ 双字」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 Block (512 B) to Double word is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.