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莫耳质量计算机

输入化学式如 H₂O 或 C₆H₁₂O₆,取得 g/mol 莫耳质量与各元素分项明细。

How to use

  1. Type the molecular formula using element symbols and subscript numbers — for example H2O, NaCl, or C6H12O6.
  2. Use parentheses for groups followed by a multiplier: Ca(OH)2, Al2(SO4)3.
  3. Click Calculate Molar Mass to see the total in g/mol and the per-element breakdown.

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常见问题

Is the molar mass calculator free?
Yes, completely free with no signup required.
Does my data leave my device?
No. All calculations run in JavaScript in your browser and nothing is sent to a server.
Does it work on mobile?
Yes. The calculator works on iPhone Safari and Android Chrome.

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