气压 太帕 ↔ 纳帕Terapascal to Nanopascal
太帕与纳帕互算（1 TPa = 1e+21 nPa）。本地换算，附常用相关单位。Convert terapascal and nanopascal (1 TPa = 1e+21 nPa). 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
「太帕 ↔ 纳帕」是什么？What is the Terapascal to Nanopascal tool?
太帕与纳帕互算（1 TPa = 1e+21 nPa）。本地换算，附常用相关单位。Convert terapascal and nanopascal (1 TPa = 1e+21 nPa). Runs locally with related units.
如何使用「太帕 ↔ 纳帕」？How do I use the Terapascal to Nanopascal tool?
在「太帕 ↔ 纳帕」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 Terapascal to Nanopascal and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 太帕等于多少纳帕？How many nanopascal in 1 terapascal?
1 TPa = 1e+21 nPa（按国际定义系数）。1 TPa = 1e+21 nPa (international definition).
如何把太帕换算成纳帕？How do I convert terapascal to nanopascal?
结果 = 数值 × 1e+21。例如 1e-21 TPa = 1 nPa。result = value × 1e+21. Example: 1e-21 TPa = 1 nPa.
太帕/纳帕属于哪类单位？What kind of units are terapascal/nanopascal?
二者同属「压力」量纲，可安全互算；也可打开「pressure-converter」做多单位对照。Both are pressure units; see also the pressure converter hub.
换算系数准确吗？Are the conversion factors exact?
「太帕 ↔ 纳帕」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 Terapascal to Nanopascal uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「太帕 ↔ 纳帕」免费吗？需要注册吗？Is the Terapascal to Nanopascal free? Do I need an account?
「太帕 ↔ 纳帕」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 Terapascal to Nanopascal is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.