Running pace calculator
Convert distance + time ↔ pace (km/mi). Includes speed and splits.

Inputs

Everything is calculated locally in your browser. Useful for running, walking, cycling, swimming—any pace-based sport.

Results

Fill inputs, then click Calculate.

Tip: If you train in km but race in miles (or vice versa), you can switch the distance unit and recalculate.

About / 關於

Running pace calculator — Convert distance + time ↔ pace (min/km or min/mi). Also shows speed and simple splits. Shareable, browser-only.

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.

跑步配速計算器 — 距離 + 時間 ↔ 配速(min/km 或 min/mi),並顯示速度與簡易分段。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。