noun
pedometer; step counter
A device that counts steps. Often used interchangeably with 万歩計, though 歩数計 is a more general term.
健康のために歩数計を毎日使っている。
I use a pedometer every day for my health.
Katakana loanword for 'pedometer', less common in everyday Japanese than 歩数計.
Compound of 歩数 (step count) + 計 (meter, gauge).