Inputs
Type a value, pick “from” and “to”. Result updates instantly.
Result
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Examples
• 1 m → 100 cm
• 10 km → 6.2137 mi
Type a value, pick “from” and “to”. Result updates instantly.
Unit converter — Convert length units locally in your browser (mm, cm, m, km, inch, foot, yard, mile). Copy results or share a link. 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.
單位換算器 — 在瀏覽器內換算長度單位（mm, cm, m, km, 英吋, 英尺, 碼, 英里）。可複製結果或分享連結。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。