jarvisbox

水分摂取量計算機

体重と活動レベルをもとに1日の推奨水分摂取量を計算。

100% client-side · no upload

How to use

  1. Enter your body weight in kilograms.
  2. Choose your typical daily activity level from the dropdown.
  3. Click Calculate Water Intake to see your recommended daily intake in millilitres and litres.

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よくある質問

Is this water intake calculator free?
Yes, completely free with no signup and no usage limits.
Does my data leave my device?
No. All calculations run in JavaScript inside your browser. Nothing is sent to any server.
Does it work on mobile?
Yes. The calculator is mobile-first and works on iPhone Safari and Android Chrome.

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