How to Write an Essay Conclusion

A conclusion is your last chance to show the reader why your argument matters. A strong one pulls the essay together and leaves the reader with something to think about; a weak one just repeats the introduction.

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Updated 21 October 2026 · EssayWriting.com editorial team

Key takeaways

A strong conclusion restates the thesis, synthesises the main points and shows why they matter.
Do not introduce new evidence in the conclusion.
Aim for about 10 percent of the word count.

What a conclusion should do

Return to your thesis, in fresh words, showing it has been proved.
Draw your main points together, showing how they connect, not just listing them.
Explain the significance: why the argument matters, what follows from it, or what remains open.

The three-part structure

Part	What to write	Length
Restated thesis	Your claim, rephrased in light of the evidence you have presented	One or two sentences
Synthesis	How your points work together to support the thesis	Two to three sentences
Significance	Implications, a recommendation, a wider context or a question for future research	One to two sentences

Like the introduction, the conclusion is usually about 10 percent of the word count.

Summary vs synthesis

Summary (weak): "First, I discussed housing costs. Second, I discussed traffic. Third, I discussed land use."

Synthesis (strong): "Parking minimums raise the cost of every new home, push residents toward driving and lock up land the city needs; together, these effects mean the rules now cause the very problems they were meant to prevent."

Synthesis shows the relationship between your points, which demonstrates understanding rather than memory.

Conclusion examples by essay type

Argumentative

Parking minimums were written to solve a problem of the past, and they now create problems of the present. By raising housing costs, encouraging driving and occupying valuable land, they work against the goals most cities say they hold. Replacing them with market pricing would not end car use, but it would let cities decide how to use their land based on what residents actually need.

Expository

Coral bleaching is the visible sign of a partnership breaking down. Warm water, pollution and changes in light each stress the relationship between corals and their algae, and together they explain why bleaching events have become more frequent. Understanding these causes is the first step toward protecting reefs that support a remarkable share of marine life.

Literary analysis

From the first storm to the final calm, the novel's weather tracks the narrator's growing courage. Each storm forces a choice, and each choice is made despite fear rather than in its absence. The calm sea of the ending is therefore not a reward for fearlessness, but for repeated action under pressure, which is the novel's definition of courage.

Illustrative examples written for this guide.

Ways to end with significance

Implication: what does your argument mean for policy, practice or understanding?
Recommendation: what should happen next?
Wider context: connect to a larger issue or trend.
Limitation and future research: acknowledge what your essay could not cover (common in research papers).
Echo the hook: return to the scene or question from your introduction, now seen differently.

Sentence starters

"Taken together, these factors show that..."
"Although X remains a concern, the evidence suggests..."
"This matters because..."
"Future research could examine..."
"Ultimately, ..." (use once, not as a crutch)

Avoid "In conclusion" as the only signpost; it is not wrong, but markers see it constantly. A clear restatement of the thesis signals the conclusion on its own.

Mistakes to avoid

Introducing new evidence or arguments.
Copying the introduction word for word.
Apologising or undermining your argument ("This is only my opinion...").
Overclaiming: "This proves that all cities must..." when your evidence is narrower.
Ending on a quote that is not analysed.
A one-sentence conclusion in a long essay.

Conclusion checklist

The thesis is restated in new words.
Points are synthesised, not listed.
No new evidence is introduced.
The final sentence explains why the argument matters.
The length is roughly 10 percent of the essay.

Pair this with our guide to writing an essay introduction and essay hooks.

Related essay writing guides

Quick answers to common questions

Should the conclusion mirror the introduction?

It can echo the hook or framing of the introduction, which creates a satisfying sense of closure, but it should never repeat it word for word.

Can a conclusion include a quote?

Only if you briefly analyse it and it reinforces your thesis. Ending on an unexplained quote hands the last word to someone else.

How do I conclude a research paper?

Summarise the answer to your research question, state the contribution, acknowledge limitations and suggest future research.

What if I run out of time in an exam?

Write two sentences: restate the thesis and give one sentence of significance. A short conclusion is much better than none.

Conclusion template

[Restated thesis in new words.] [Sentence showing how point 1 and point 2 connect.] [Sentence bringing in point 3 and what the three show together.] [Significance: implication, recommendation or wider context.]

Frequently asked questions

What should an essay conclusion include?

A restated thesis, a synthesis of your main points and a statement of why the argument matters.

Can I add new information in a conclusion?

No. New evidence or arguments belong in the body paragraphs.

How long should a conclusion be?

Around 10 percent of the essay, so about 150 words for a 1,500-word essay.

Is it okay to start with "In conclusion"?

It is acceptable but overused. A clear restatement of your thesis usually signals the conclusion better.

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