Translation guide
The English word "caliber" has two main meanings: the diameter of a bullet or gun barrel, and the quality or standard of someone or something. This guide covers both, with natural Japanese expressions.
Describing the level of ability, quality, or standard of a person or thing.
Refers to real ability, competence, or caliber. Commonly used for people's skills or an organization's capability.
Referring to the internal diameter of a gun barrel or the diameter of a bullet.
Do not use 口径 to describe a person's ability. 口径 only refers to physical diameter. For quality, use 実力 or 能力.
彼は高い実力を持っている。
He has high caliber.
That athlete's caliber is world-class.
General term for ability or capability. Slightly broader than 実力, often used in formal contexts.
She is a person of high caliber.
Literally 'vessel', metaphorically means caliber or capacity of a person. Often used to describe someone's potential or stature.
He doesn't have the caliber to be a leader.
Refers to status, rank, or caliber. Often used in phrases like 格が違う (to be in a different league).
His acting is of a different caliber.
The standard technical term for caliber in firearms. Used for both gun barrels and bullets.
The caliber of this gun is 9mm.
.45 caliber bullet
Also used in non-firearm contexts for the diameter of pipes or tubes.
Measure the caliber of the pipe.