also: エイチピー · エッチピー
I updated the company's website.
This engine produces 200 horsepower.
He is practicing a new trick on the half-pipe.
My HP was almost gone during the boss fight.
My HP dropped by half from the enemy's attack.
I used a healing herb to restore my HP.
ハーフパイプ is the full katakana term for the half-pipe ramp, while ＨＰ is its common abbreviated form in sports contexts.
Standard full-width abbreviation; used across all senses.
Half-width variant, common in informal digital contexts.
Abbreviation from English initialisms: 'home page', 'horsepower', 'half-pipe', and 'hit point'.