JLPT N26 min readUpdated May 2, 2026Grammar pattern

甲斐があるkai ga aru“it's worth one's efforts to do something”

Use 甲斐がある(かいがある) when you want to express that the result validates or justifies the effort, struggle, or trouble.

Meaning
it's worth one's efforts to do something
Pattern
甲斐がある
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JLPT grammar
JLPT
N2

甲斐がある(かいがある) means it’s worth one’s efforts to do something. It is a JLPT N2 Japanese grammar pattern used to express that the result validates or justifies the effort, struggle, or trouble.

This grammar point often appears in essays, formal writing, conversations, and JLPT N2 reading passages. If you want to express that the result validates or justifies the effort, struggle, or trouble, 甲斐がある(かいがある) is a useful pattern to learn because it adds natural precision to your Japanese.

What does 甲斐がある(かいがある) mean?

Use 甲斐がある(かいがある) when you want to express that the result validates or justifies the effort, struggle, or trouble.

Natural translations include:

  • it’s worth one’s efforts to do something

How to form 甲斐がある(かいがある)

Verb (た-form) + 甲斐がある / Noun + の甲斐がある

Examples of the pattern:

  • 頑張った甲斐がある
  • 努力の甲斐がある

When is 甲斐がある(かいがある) used?

Use 甲斐がある(かいがある) in situations like:

  • effort or hardship is rewarded with a satisfying result

Tone and register:

  • neutral; conveys satisfaction and achievement
  • Common in test questions, essays, daily conversation, and JLPT N2 reading

甲斐がある(かいがある) example sentences

  • 一生懸命勉強した甲斐があって、合格できた。 — All my hard studying paid off, and I passed.
  • 三時間も並んだ甲斐があった。 — Waiting in line for three whole hours was worth it.
  • 毎日練習した甲斐があって、優勝した。 — Practicing every day paid off, and we won the championship.
  • 早起きした甲斐がなかった。 — Getting up early was all for nothing.
  • 苦労した甲斐があって、プロジェクトは成功した。 — All the hardship paid off, and the project succeeded.

After reading each sentence, ask what job 甲斐がある(かいがある) is doing: the result validates or justifies the effort, struggle, or trouble.

Nuance of 甲斐がある(かいがある)

The key nuance is the result validates or justifies the effort, struggle, or trouble.

For example:

  • In context, it carries a specific, nuanced meaning that a simpler pattern would not convey.
  • Compared with 意味がある, it carries a different weight and implication.

甲斐がある(かいがある) vs 意味がある

甲斐がある(かいがある):

  • the result validates or justifies the effort, struggle, or trouble

意味がある:

  • it’s meaningful (less about effort)

Quick contrast examples:

  • 頑張った甲斐があった。
  • 頑張った意味があった。

Common mistakes with 甲斐がある(かいがある)

Watch out for these mistakes:

  • Translating it too literally without understanding the nuance
  • Using it in contexts where the situation doesn’t match the grammar’s core meaning
  • Confusing it with similar-looking but different grammar patterns

A helpful practice method is to write one sentence with 甲斐がある(かいがある), then rewrite it with 意味がある. If the meaning or tone changes, explain that difference in your own words.

Is 甲斐がある(かいがある) on the JLPT?

Yes. 甲斐がある(かいがある) is commonly taught as JLPT N2 grammar.

That means learners should be able to:

  • recognize it in reading
  • understand its nuance in context
  • use it in simple original sentences

Practice questions for 甲斐がある(かいがある)

  • Use 甲斐がある(かいがある) in a sentence about a personal experience or observation.
  • Write a sentence where the nuance of 甲斐がある(かいがある) is necessary.
  • Compare 甲斐がある(かいがある) with 意味がある in your own example.

Learning path for 甲斐がある(かいがある)

To learn 甲斐がある(かいがある) efficiently, start with its formation, then compare it with similar patterns, and finally practice in context.

  1. First, make sure you can form 甲斐がある(かいがある) without looking at the pattern chart.
  2. Next, compare it with 意味がある.
  3. Finally, write sentences where 甲斐がある(かいがある) is necessary; then check whether replacing it with one of the related patterns below changes the meaning.

Learn 甲斐がある(かいがある) with Hane

If you want to review 甲斐がある(かいがある) together with the related patterns above, Hane helps you practice Japanese in short, focused sessions.

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FAQ about 甲斐がある

What does 甲斐がある (kai ga aru) mean in Japanese?

甲斐がある (kai ga aru) means “it's worth one's efforts to do something”. It is JLPT N2 grammar. Use 甲斐がある(かいがある) when you want to express that the result validates or justifies the effort, struggle, or trouble.

How do you form 甲斐がある (kai ga aru)?

Verb (た-form) + 甲斐がある / Noun + の甲斐がある

What is the difference between 甲斐がある and 意味がある?

甲斐がある(かいがある): the result validates or justifies the effort, struggle, or trouble. 意味がある: it's meaningful (less about effort).

What is an example sentence with 甲斐がある (kai ga aru)?

一生懸命勉強した甲斐があって、合格できた。 — All my hard studying paid off, and I passed.

Practice this with Hane
Drill 甲斐がある until it’s automatic.

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