Sign In Get Started
Prepositions with nouns

In conclusion or to conclusion?

The standard phrase is "in conclusion" when introducing final remarks. "To conclusion" is not a normal English expression in this use.

Quick answer

Which phrase is correct?

Use "in conclusion" to introduce a summary or final point in speech or writing. English does not normally use "to conclusion" with this meaning. You may also see related expressions such as "bring something to a conclusion," where "to" belongs to the verb phrase.

In conclusion, the project was successful.
The negotiations came to a conclusion last night.
In conclusion, we recommend further testing.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
in conclusion

Introducing final remarks

Use this fixed phrase at the end of a presentation, essay, or discussion.

In conclusion, climate policy requires long-term planning.
In conclusion, the evidence supports the theory.
2
come to a conclusion

Reaching a decision or judgment

Use this pattern when someone forms an opinion or decision.

After reviewing the data, they came to a conclusion about the cause of the problem.
We finally came to a conclusion after hours of debate.
3
bring something to a conclusion

Finishing an activity or process

Use this structure when an action ends something formally or successfully.

The chairperson brought the meeting to a conclusion at noon.
The agreement brought the dispute to a conclusion.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
in conclusion
In conclusion, the team met its goals.
A fixed phrase used to introduce final remarks or a summary.
to conclusion
The phrase "to conclusion" alone is not idiomatic in standard English.
Not normally used as a standalone expression before a summary.
come to a conclusion
She came to a conclusion after reading the report.
To reach a decision or opinion.
bring to a conclusion
They brought the investigation to a conclusion.
To finish or end something.

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using "to conclusion" as a transition

English uses the fixed phrase "in conclusion" to introduce final comments.

✕ To conclusion, we should revise the policy. ✓ In conclusion, we should revise the policy.

Omitting the article after "to"

With verbs like "come" or "bring," English normally uses "to a conclusion."

✕ The talks came to conclusion yesterday. ✓ The talks came to a conclusion yesterday.

Quick practice

Choose the expression that matches the intended meaning.

1. ___, the results were better than expected.
2. After several meetings, they came ___ a conclusion.
3. The report brought the investigation ___ a conclusion.

Check your sentence in context

Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.

Free to try · No signup required

Frequently asked questions

Is "to conclusion" ever correct?

Not as a transition meaning "finally." However, "to" is correct in larger phrases such as "come to a conclusion" or "bring something to a conclusion."

Can I say "in my conclusion"?

Yes. It can refer to the conclusion section of your own essay or report.

Is "in conclusion" formal?

Yes. It is common in essays, presentations, and formal speech.

"in act" or "of act"? "in agreement" or "of agreement"? "in appearance" or "of appearance"? "in area" or "of area"? in, at, on, of or to hand? "in attempt" or "of attempt"? "in battle" or "of battle"? "in celebration", "of celebration" or "for celebration"? "in chain" or "of chain"? "in chapter" or "of chapter"? "in charge" or "of charge"? "in check" or "of check"?

Write with confidence in Linguix

Create a free account to check complete texts, apply suggestions, and save your documents.

Create a free account