1.
activity tracker; fitness tracker; activity monitor
A wearable electronic device that tracks physical activity metrics such as steps, calories burned, heart rate, and sleep patterns.
活動量計をつけて走っている。
I run wearing an activity tracker.
活動量計で毎日の歩数を確認している。
I check my daily step count on the activity tracker.
健康管理のために活動量計を購入したが、睡眠の質まで測定できるので驚いた。
I bought an activity tracker for health management, and was surprised it can even measure sleep quality.
Composed of 活動量 (amount of activity) + 計 (meter, gauge). The Japanese term specifically emphasizes measuring the quantity of physical activity. In practice, this overlaps heavily with スマートウォッチ (smartwatch) and フィットネストラッカー (fitness tracker).
COMMON COLLOCATIONS:
- 活動量計をつける: to wear an activity tracker
- 活動量計で計測する: to measure with an activity tracker
- 腕時計型活動量計: wristwatch-type activity tracker
- 活動量計のデータ: activity tracker data
SIMILAR WORDS:
- 万歩計: pedometer — a simpler device that counts only steps
- スマートウォッチ: smartwatch — a more advanced device with many features beyond activity tracking
- フィットネストラッカー: fitness tracker — the English loanword equivalent