This is a simple estimate, not medical advice. Needs vary with heat, altitude, illness, pregnancy, and diet.
Tip: Use urine color and thirst as additional signals. If you have kidney/heart conditions, follow your clinician’s advice.
Water intake calculator — Estimate a daily water intake goal from weight and activity. Outputs a simple range plus cup/oz conversions. Shareable, browser-only MVP.
Example: Use this tool to sanity-check numbers quickly, then share the link if you need to discuss with others.
FAQ: (1) Does it upload my data? No—runs in your browser. (2) Can I share results? Yes—use the share link feature. (3) Is it authoritative? Treat it as a convenience, not professional advice.
每日喝水量估算 — 用體重與活動量估算每日喝水目標：輸出簡單區間，並換算成杯數/oz。可分享連結、純前端 MVP。
範例：用這個工具快速試算與對照結果，需要討論時再把連結分享給對方。
FAQ： (1) 會上傳資料嗎？不會，計算在瀏覽器內完成。 (2) 能分享結果嗎？可以，用分享連結。 (3) 準確嗎？請把它當作便利工具，不是專業建議。