In Conclusion in a Sentence: Simple Examples for Learners
If you want to signal the end of an essay, speech, or explanation, the phrase “in conclusion” is a direct and formal way to do it. It tells your reader or listener that you are about to summarize your main points or give a final thought. This guide will show you exactly how to use “in conclusion” in a sentence, with simple examples, common mistakes to avoid, and better alternatives for different situations.
Quick Answer: How to Use “In Conclusion”
Place “in conclusion” at the beginning of your final paragraph or sentence. It is almost always followed by a comma. Use it only when you are truly finishing a discussion, not in the middle of your argument. It works best in formal writing, such as academic essays, reports, or professional emails.
Example: In conclusion, the evidence supports the idea that regular exercise improves mental health.
Formal and Informal Tone
“In conclusion” is a formal phrase. You will rarely hear it in casual conversation. In everyday speech, people prefer shorter phrases like “so,” “basically,” or “to sum up.” In writing, however, “in conclusion” remains a standard choice for academic papers, business reports, and structured presentations.
Formal Contexts
- Academic essays
- Research papers
- Formal business reports
- Speeches at conferences
Informal Contexts
- Casual emails to friends
- Everyday conversation
- Social media posts
If you are writing an email to a colleague, you might choose “in conclusion” for a final recommendation. If you are texting a friend, you would probably say “anyway” or “so yeah.”
Comparison Table: “In Conclusion” vs. Other Phrases
| Phrase | Tone | Best Used In | Example |
|---|---|---|---|
| In conclusion | Formal | Essays, reports, speeches | In conclusion, the data supports our hypothesis. |
| To sum up | Semi-formal | Presentations, summaries | To sum up, we need more funding. |
| Overall | Neutral | Writing and speech | Overall, the project was a success. |
| In short | Neutral to formal | Concise summaries | In short, the plan is not feasible. |
| Finally | Neutral | Lists or sequences | Finally, I want to thank everyone. |
| So | Informal | Conversation, casual writing | So, we decided to go ahead. |
Natural Examples of “In Conclusion” in Sentences
Here are ten natural sentences that show how “in conclusion” works in real writing. Notice that each sentence follows the phrase with a comma and then presents a final idea.
- In conclusion, the experiment confirmed our initial theory.
- In conclusion, the company must reduce costs to remain competitive.
- In conclusion, the study highlights the importance of early education.
- In conclusion, the evidence clearly shows that climate change is accelerating.
- In conclusion, we recommend adopting the new software system.
- In conclusion, the author argues that technology has changed human relationships.
- In conclusion, the survey results indicate a strong preference for remote work.
- In conclusion, the policy has had a positive effect on student performance.
- In conclusion, the team achieved all of its goals for the quarter.
- In conclusion, the research suggests that sleep quality affects memory.
Common Mistakes with “In Conclusion”
Even advanced learners sometimes misuse this phrase. Here are the most frequent errors and how to fix them.
Mistake 1: Using “In Conclusion” in the Middle of a Paragraph
Wrong: The first point is important. In conclusion, the second point is also relevant.
Right: The first point is important. The second point is also relevant. In conclusion, both points support the main argument.
Explanation: “In conclusion” should only appear when you are actually concluding, not when you are still presenting new points.
Mistake 2: Forgetting the Comma
Wrong: In conclusion the results were positive.
Right: In conclusion, the results were positive.
Explanation: “In conclusion” is an introductory phrase, so it needs a comma after it.
Mistake 3: Using It in Casual Conversation
Wrong: “So, in conclusion, I think we should get pizza.”
Right: “So, I think we should get pizza.”
Explanation: In everyday speech, “in conclusion” sounds too formal and unnatural. Use simpler words instead.
Mistake 4: Repeating the Same Idea
Wrong: In conclusion, the main point is that the main point is important.
Right: In conclusion, the main point is that early intervention leads to better outcomes.
Explanation: Your conclusion should add a final thought or summary, not just repeat the same words.
Better Alternatives to “In Conclusion”
Sometimes you want to avoid repeating “in conclusion” too many times in one piece of writing. Here are some effective alternatives, along with when to use them.
For Formal Writing
- To conclude – “To conclude, the findings are significant.”
- In summary – “In summary, the report covers three main areas.”
- Ultimately – “Ultimately, the decision rests with the board.”
For Semi-Formal Writing
- All in all – “All in all, the event was a great success.”
- On the whole – “On the whole, the feedback was positive.”
For Informal Writing or Speech
- Basically – “Basically, we need to start over.”
- In a nutshell – “In a nutshell, the plan didn’t work.”
When to Use “In Conclusion” (and When to Skip It)
Use “in conclusion” when you are writing a formal piece that has a clear structure, such as an essay, a research paper, or a business report. It signals to the reader that you are wrapping up your argument. Do not use it if your text is very short, such as a one-paragraph email, or if you are writing something creative like a story or a personal blog post. In those cases, a simple “finally” or “in the end” works better.
Mini Practice Section
Test your understanding with these four questions. Each question asks you to choose the correct way to use “in conclusion.” Answers are below.
Question 1
Which sentence uses “in conclusion” correctly?
A) In conclusion, the first reason is strong.
B) In conclusion, the study proves that the method works.
C) In conclusion, I will now talk about the next point.
Answer: B. The sentence is at the end of the argument and summarizes the main finding.
Question 2
Fill in the blank: “______, the team decided to postpone the launch.”
A) In conclusion
B) In the middle
C) Meanwhile
Answer: A. This sentence sounds like a final decision, so “in conclusion” fits.
Question 3
Is this sentence correct? “In conclusion we need more time.”
A) Yes
B) No, it needs a comma after “conclusion.”
Answer: B. The correct form is “In conclusion, we need more time.”
Question 4
Which context is best for “in conclusion”?
A) A text message to a friend
B) The final paragraph of a university essay
C) A casual conversation at lunch
Answer: B. “In conclusion” is formal and belongs in academic or professional writing.
Frequently Asked Questions
1. Can I use “in conclusion” at the start of any paragraph?
No. Only use it at the start of your final paragraph or final sentence. If you use it earlier, readers will think the text is ending when it is not.
2. Is “in conclusion” the same as “to conclude”?
Yes, they have the same meaning and formality. You can use them interchangeably. “To conclude” is slightly shorter, but both are correct.
3. Should I always put a comma after “in conclusion”?
Yes. “In conclusion” is an introductory phrase, so it must be followed by a comma. Without the comma, the sentence looks rushed and incorrect.
4. Can I use “in conclusion” in a speech?
Yes, especially in formal speeches like a graduation address or a business presentation. In casual speeches, you might choose “to wrap up” or “finally” instead.
Final Thoughts
“In conclusion” is a valuable phrase for formal writing and speaking. Use it to signal the end of your argument, always follow it with a comma, and avoid using it in casual conversation. With the examples and tips in this guide, you can now use “in conclusion” correctly and confidently in your own sentences.
For more help with everyday phrases, visit our Daily English Sentences section. If you have questions about other academic words, check our FAQ or contact us directly.
