Translation guide
Expresses cause or reason. In Japanese, this is most commonly expressed with particles like で, ので, or ために, but the choice depends on formality, whether the cause is a noun or a clause, and whether the result is natural/inevitable or involves volition.
The result is caused by a noun (a thing, event, or state).
The most common and neutral way to say 'due to N'. Used in both speech and writing. The result is often a natural consequence.
雨で試合が中止になった。
The game was canceled due to rain.
病気で学校を休んだ。
I was absent from school due to illness.
More formal/literary than で. Often used in written explanations or news. Can also imply 'for the sake of', but context clarifies.
台風のために電車が止まった。
Trains stopped due to the typhoon.
Explicitly states 'N is the cause'. Used when emphasizing the cause, often in technical or explanatory contexts.
エンジントラブルが原因で遅れた。
We were delayed due to engine trouble.
The result is caused by a situation described in a clause (verb/adjective + reason).
Soft, explanatory 'because'. Very common in speech. The reason is presented as an objective fact, and the result is a natural consequence. More polite than から when giving reasons.
雨が降ったので、出かけなかった。
I didn't go out because it rained.
道が混んでいるので、遅れます。
I'll be late because the roads are crowded.
Subjective 'because'. Often used when the reason is a personal judgment, decision, or request. Can sound blunt if overused for objective facts.
Using から for objective cause-effect can sound like you're making an excuse or being defensive. Prefer ので for neutral explanations.
危ないから、触らないで。
Don't touch it because it's dangerous.
Formal/literary 'due to the fact that'. Often used in writing. The result is usually an undesirable or unavoidable situation. Not used for volitional actions.
Do not use ために for personal decisions or requests. It implies an uncontrollable cause-effect.
大雪が降ったために、空港が閉鎖された。
The airport was closed due to heavy snow.
Places blame. 'Due to (something negative), and it's that thing's fault.' The result is always bad.
電車が遅れたせいで、遅刻した。
I was late due to the train delay (and it's the train's fault).
The result is favorable and is attributed to something.
'Thanks to N'. Expresses gratitude or positive causation. Can be used sarcastically.
薬のおかげで元気になった。
I got better thanks to the medicine.
'Thanks to the fact that...' Used for clauses.
早く出発したおかげで、渋滞を避けられた。
Thanks to leaving early, we avoided the traffic jam.
で attaches to nouns; ので and から attach to clauses. ので is objective and polite; から is subjective and can be blunt. Use ので for most 'due to' situations with clauses.
雨で濡れた。
I got wet due to the rain.
雨が降ったので濡れた。
I got wet because it rained.
雨が降ったから濡れた。
I got wet because it rained (and I'm stating it as my reason).
ために is formal and often implies an uncontrollable, negative outcome. It is not a direct replacement for English 'due to' in everyday speech. Using it for personal actions sounds unnatural.
✗ 疲れたために、早く寝た。
Intended: I went to bed early due to being tired.
◯ 疲れたので、早く寝た。
I went to bed early because I was tired.