There is no fixed rule for how long a paragraph should be, but a common guideline is 3 to 7 sentences. What matters more than the number is the structure: one central idea, introduced, supported, and wrapped up.
When people write, they often wonder how long their paragraphs should be. There is no set number of sentences for a paragraph, but there are some guidelines to keep in mind.
If you don't build your sentences and paragraphs carefully, your message can get lost or muddled. The way you arrange the sentences in each paragraph is what gives your writing direction.
For the most part, an average paragraph has 3 to 7 sentences. Every paragraph you write gives the reader one central idea. The basic requirement of a paragraph is its structure, not its number of words. The type of writing matters, too: fiction and nonfiction paragraphs are written a little differently, but both need to get their information across clearly.
Every paragraph has a basic structure of three parts: an introduction, a body, and a conclusion.
The big three
When you write a paragraph, the introduction contains the main topic sentence. It also has any further sentences the reader needs for background. The body supports the topic with examples, facts, or both. The conclusion usually builds a bridge to the next paragraph, and it should echo or support the idea you presented in your topic sentence.
Single-sentence paragraphs
Many writers throughout history have written paragraphs of a single sentence. Some of these sentences are very long and carry a whole idea, running to hundreds of words.
A single long sentence can hold as much as a whole paragraph. The American novelist F. Scott Fitzgerald wrote one of the most admired long sentences in literature, near the end of The Great Gatsby:
Its vanished trees, the trees that had made way for Gatsby's house, had once pandered in whispers to the last and greatest of all human dreams; for a transitory enchanted moment man must have held his breath in the presence of this continent, compelled into an aesthetic contemplation he neither understood nor desired, face to face for the last time in history with something commensurate to his capacity for wonder.
Not every writer uses single-sentence paragraphs. Because one stands out on the page, it is a good way to catch the reader's attention or to create a forceful moment in a story. It makes its point without the help of an exclamation point.
Paragraphs of several sentences
Paragraphs of several sentences are the ones that keep your readers interested over a longer text. Vary their length to suit your point: a paragraph can be as long as it needs to be to explain one idea.
To keep your writing consistent, use transitions and similar grammatical structures, and repeat the words that are key to your main point. A transition sentence takes the reader smoothly from one paragraph to the next. Then you start the new paragraph with its own topic sentence.
No fixed rule
In the end, there are no set rules for how long your paragraphs should be, or for how many sentences they should have. Just remember that 3 to 7 is the norm. If your writing reads well, that is what matters most. While you check your paragraphs, check their grammar, too: here are six important grammar rules you need to know.