Inputs
Measure your bag including wheels/handles. Airlines differ; this is a quick sanity check.
Results
Fill inputs, then click Check.
Tip: for carry-ons, the “longest side” matters. For checked bags, many airlines use total (L+W+H).
Measure your bag including wheels/handles. Airlines differ; this is a quick sanity check.
Tip: for carry-ons, the “longest side” matters. For checked bags, many airlines use total (L+W+H).
Luggage size checker — Check if your bag fits common carry-on/personal-item/checked-bag size rules (max L×W×H or linear total). 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.
行李尺寸檢查器 — 快速檢查行李是否符合常見登機/隨身/托運尺寸規範（最大 長×寬×高 或 三邊總和）。可分享連結、純前端。
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。