Free Online Sentence Counter Tool (Sentences, Words, & Characters)

Count sentences in your text instantly. This free tool also gives you counts for words, characters, paragraphs and reading time. Paste in anything from a single paragraph to a full essay and get a complete breakdown of your content in one click. Whether you're editing an article, checking a student assignment, or just curious about your writing habits, this tool gives you the sentence count numbers you need without any fuss.

Sentence length is one of the easiest things to overlook when writing, and one of the biggest factors in how readable your content actually is. Short sentences are punchy. Long ones can carry essential detail, but too many in a row and you lose readers. This tool helps you spot those patterns at a glance.

Sentence Counter

Content Counts
0
Sentences
0
Words
0
Characters
0
Letters (no spaces)
Detailed Statistics
Paragraphs 0
Lines 0
Average Sentence Length 0
Average Word Length 0
Reading Time (avg 200 wpm) 0 min
Speaking Time (avg 130 wpm) 0 min
Spaces 0

Frequently Asked Questions

How is a sentence count produced?

This sentence counter scans your text for sentence-ending punctuation such as periods, exclamation marks, and question marks. It will then quickly count each resulting sentence. The tool is smart enough to skip over periods that aren't sentence endings, like those found in URLs (www.textfixer.com), decimal numbers (3.14), common abbreviations (Dr., Mrs., etc.), and initials (J.S., U.S.A.). This keeps the sentence count fairly accurate across all types of content.

Why would I need a sentences count?

Sentence counts are more useful than most people realise. Teachers use them to assess writing complexity and development. Editors use them to check pacing and readability. Content writers use them to make sure they're not writing walls of text that push readers away. If you're optimising content for readability scores like Flesch-Kincaid, sentence count is one of the core inputs.

Does this free online sentence counter tool also count words and characters?

Yes, indeed. This sentence counter was recently revised and now it counts sentences plus words, and characters (with and without spaces included). Plus it gives you average sentence length in words and average word length plus a reading time estimate. What more could you ask for?

What's a good average sentence length?

For general web content, you should aim for an average of 15 to 20 words per sentence. Academic writing typically runs longer, while conversational copy tends to be shorter. The key to most engaing content is to have a mix. A mix of short and longer sentences keeps things punchy. If the majority of your sentences are running past 25–30 words, that's usually a sign something should be split up.

Does this sentence counting tool work for sentences in different languages?

The sentence count works reliably with any language that uses standard punctuation marks (. ! ?) to end sentences, which covers most Latin-script languages. Languages that use different boundary conventions for sentences will not produce as accurate of a sentence count.

What counts as a paragraph?

Paragraphs are counted as blocks of text separated by a blank line (a double line break). A single line break on its own doesn't create a new paragraph. This matches how paragraphs work in most word processors and text editors.

How is the sentence reading time number calculated?

Reading time for sentences is based on an average silent reading speed of 200 words per minute, which is a widely used benchmark for adult readers. Speaking time uses 130 words per minute, reflecting a natural conversational pace. Both are estimates. Actual times for reading sentences vary depending on the complexity of the content and the individual reader.

Is my sentence text kept private?

Yes. This free sentence counter online is private. All text processing for the sentence count happens directly in your browser. Your sentences are never sent to a server, never stored, and never logged. The moment you close or refresh the page, it's gone. It's safe to use with personal writing, work documents, or anything else you'd rather keep to yourself.

Does this sentence tool work on phones and tablets?

Absolutely. This quick and accurate tool is fully responsive and works well on mobile devices. The layout adjusts automatically for smaller screens, so you get the same full (paragraph sentence word) for your document whether you're on a phone, tablet, or desktop.

Is this really a free sentence counter ?

Yes, like the rest of the tools on this website, this free online sentence counter tool is completely free without strings. It requires no account or registration to use.

Humans Can't Win

HUMANS CAN'T WIN!

An online game only AI can win. Humans... don't even try!
Play the Game >

Find the Right Tool Fast