Translation guide
The English phrase "stand to reason" means that something is logical, obvious, or to be expected based on common sense. This guide shows how to express this idea naturally in Japanese.
Expressing that something is a logical or natural conclusion based on facts or common sense.
A common pattern meaning 'it is natural/obvious that...'. Use after a clause explaining the reason.
彼が怒るのは当然だ。
It stands to reason that he would get angry.
It stands to reason that you won't improve if you don't practice.
Literally 'it's not unreasonable that...'. Used when a reaction or situation is understandable given the circumstances.
彼が疲れているのも無理はない。昨日は徹夜だったんだ。
It stands to reason that he's tired. He was up all night.
Means 'it is reasonable/logical'. Often used for arguments, decisions, or systems.
彼の説明は理にかなっている。
His explanation stands to reason.
A more formal or literary way to say 'it accords with reason'. Less common in daily speech.
その結論は道理に合う。
That conclusion stands to reason.
Emphasizing that something is exactly what one would expect under the circumstances.
A very common, slightly casual way to say 'it's obvious/only natural that...'. Suitable for everyday conversation.
そんなことをしたら怒られるのは当たり前だ。
It stands to reason that you'd get scolded for doing something like that.
Similar to ～のは当然だ, but with a slightly stronger emphasis on the inevitability of the result.
あれだけ勉強したのだから、合格したのも当然だ。
Given how much he studied, it stands to reason that he passed.
Do not translate 'stand to reason' word-for-word into Japanese. Phrases like 理由に立つ (りゆうにたつ) are nonsensical. Use the patterns above to convey the logical connection naturally.