How Many Words and Sentences Are in a Paragraph?

Most paragraphs have three to five or more sentences and run about 50 to 150 words. Purdue OWL’s guidance for academic writing is to aim for three to five or more sentences per paragraph. The word range follows from sentence length: three sentences of 15 words make 45 words, and five sentences of 25 words make 125. Paragraphs in essays and reports can run longer, while web pages and emails tend to stay short. There is no rule that a paragraph must hit a word count. A paragraph covers one idea, and its length is whatever that idea needs. To check your own text, paste it into the word counter: it shows words, sentences, paragraphs and the average sentence length in one panel.

Words per paragraph, by sentence count and length

The number of words in a paragraph is simply sentences × average words per sentence. This table does the arithmetic for common combinations:

Sentences	12 words each	15 words each	20 words each	25 words each
1	12	15	20	25
2	24	30	40	50
3	36	45	60	75
4	48	60	80	100
5	60	75	100	125
6	72	90	120	150
8	96	120	160	200

Short, plain sentences (the 12 to 15 word columns) suit instructions, product pages and emails. Sentences with clauses and citations (the 20 to 25 word columns) are more likely in essays, reports and research papers. That is why two paragraphs with the same five sentences can differ by 60 words or more.

What the style guides say

Few style guides give a number, and the ones that do treat it as a guideline:

Source	Guidance
Purdue OWL (academic writing)	Aim for three to five or more sentences per paragraph; about three typed paragraphs per page; one main idea per paragraph
Purdue OWL	Make paragraphs proportional to the paper: short paragraphs for short papers, longer ones for long papers
GOV.UK (public information pages)	No more than 5 sentences per paragraph; try to split sentences over 25 words

The GOV.UK rules are written for people reading public information on screens. Five sentences at no more than 25 words each caps a paragraph at 125 words, and most of their paragraphs are far shorter. The Purdue OWL guidance is written for students, where a paragraph has to state a claim, support it and explain it, and that takes more room.

Purdue OWL also gives advice for the opposite problem. If you have several very short paragraphs, check whether they are parts of one larger point that should be combined, or whether each needs more detail to stand on its own.

Paragraphs per page and per essay

Purdue OWL suggests about three typed paragraphs per page. Combined with the words-per-page figures our words to pages converter uses for 12 pt Times New Roman (about 250 words double-spaced, 500 single-spaced), that gives a rough paragraph size:

Page setup	Words per page	÷ 3 paragraphs
Double-spaced	250	about 80 words each
Single-spaced	500	about 165 words each

Working from the length of a whole essay, these are the counts at 100 to 150 words per paragraph:

Essay length	Paragraphs at 150 words	Paragraphs at 100 words
500 words	3 to 4	5
750 words	5	7 to 8
1,000 words	6 to 7	10
1,500 words	10	15
2,500 words	16 to 17	25

The classic five-paragraph essay (introduction, three body paragraphs, conclusion) at 500 words gives 100 words per paragraph. Introductions and conclusions are usually shorter than body paragraphs, so in practice the body paragraphs run a little longer. For page-based assignments, see how many words is a 5-page essay and how many pages is 1,000 words.

Worked example: counting one paragraph

Here is a body paragraph of the kind found in an essay or a report:

A reading log works best when it asks students for very little. If each entry needs a summary, a rating and three discussion questions, the log becomes homework about homework, and many students stop filling it in after a week or two. A log that asks only for the date, the pages read and one sentence of reaction takes a minute to complete. That small cost matters more than the depth of any single entry, because the habit only forms if the log is kept every day. Teachers who want more detail can still ask for it once a week, in class, when there is time to talk about the answers.

To measure it:

1. Paste the paragraph into the word counter. It shows Words 111, Sentences 5, Paragraphs 1 and Avg. sentence 22.2 words.
2. Paste the same text into the sentence counter for the detail of each sentence. It shows Median length 24, Shortest 12 words and Longest 30 words.
3. Leave Flag sentences longer than (words) at its default of 25. The tool lists one sentence over the limit: the second one, at 30 words.

The sentences run 12, 30, 21, 24 and 24 words. The paragraph is a normal length for an essay, five sentences and 111 words, but the 30-word sentence is the one to look at if the text feels heavy. Split it after “homework about homework” and the paragraph keeps its point with easier sentences.

For comparison, a short web paragraph such as “Your order ships within two business days. You will get an email with a tracking link as soon as it leaves the warehouse.” is 23 words in 2 sentences, and that is a complete paragraph for a help page.

How the counters decide what a paragraph and a sentence are

Counts differ between tools because they use different rules. These are the rules our counters follow:

• Paragraphs are blocks of text separated by at least one empty line. A single line break does not start a new paragraph, so three lines with no blank line between them count as 1 paragraph. Text copied from a PDF often has a line break at the end of every printed line; the remove line breaks tool with A space, keep paragraphs joins those lines and keeps the blank lines between paragraphs.
• Words are runs of characters between spaces that contain at least one letter or digit. Well-known, don’t and 9.30 each count as one word, and a lone dash does not count.
• Sentences end with ., !, ? or … followed by a space, a closing quote or bracket, or the end of the text. Common abbreviations (Dr., e.g., a.m., U.S., Fig.) and decimals do not end a sentence, so “Dr. Lee arrived at 9.30 a.m. on Monday.” is one sentence.
• Quoted exclamations stay inside their sentence when a lowercase word follows: "Stop!" she said. is one sentence.
• Empty lines and list items end a sentence. A heading such as Introduction with an empty line below it counts as a sentence of its own, and each item in a list (a line starting with -, *, • or 1.) counts as one, so - milk, - eggs, - bread on three lines is 3 sentences. A single line break between ordinary lines does not end a sentence, so a heading directly above its paragraph with no empty line joins the first sentence. Headings and list items still count as short sentences and lower the average sentence length, so remove them before measuring paragraph lengths, or count only the body text.

Word processors make similar choices but not always the same ones, so a total in Word or Google Docs can be a few words apart from ours, mostly because of dashes, numbers and symbols.

When to split or merge a paragraph

Word counts are a signal, not a rule. Use them to find paragraphs worth a second look:

• Split when a paragraph passes about 200 words, covers a second idea, or fills most of a double-spaced page. The natural break is usually where you start a sentence with “However”, “Another” or “In contrast”.
• Split on screens sooner. A 150-word paragraph that is fine on paper becomes a long block on a phone. GOV.UK’s limit of five sentences is a practical ceiling for web pages, help articles and emails.
• Merge when two or three short paragraphs in a row make one argument. Purdue OWL’s test is whether they are parts of a larger paragraph.
• Develop a one- or two-sentence paragraph in an essay with an example, evidence or an explanation of why the point matters, rather than padding it.
• Vary the length. A page of identical 100-word paragraphs reads as monotonous; a short paragraph after two long ones gives a point more weight.

To check a whole draft, paste it into the word counter, divide Words by Paragraphs for the average paragraph length, and then use the sentence counter to find the long sentences that make a paragraph feel longer than it is. The readability score shows how sentence and word length affect the grade level of the text.