A free online sentence counter that instantly counts sentences, words, characters, and paragraphs — abbreviations, decimals, and URLs filtered automatically, so every count is accurate.

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Sentences
main metric
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Words
word count
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Characters
with spaces
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Characters
no spaces
0
Paragraphs
0 min
Read Time
avg 200 wpm

How to Use This Sentence Counter Tool

Paste your text into the box above. The sentence count, word count, character count, and every other metric update the instant you start typing — no button, no delay, no page reload.

Handling PDF and Compressed Text

PDFs exported without spaces after periods cause two sentences to merge into one, throwing off your count. Enable the Fix Formatting checkbox before you paste your text and the tool inserts that missing space automatically, giving you an accurate sentence count even on poorly formatted source material.

Quick tip: Use Copy Stats to export your sentence count, word count, character count, paragraph count, and reading time as a plain-text summary — useful for pasting directly into a brief or client report.

Sentence Count, Word Count, and Five Other Metrics — All Live

This free online sentence counter tracks six figures simultaneously so you can analyze your text without switching between tools.

Sentence Count and Words Per Sentence

The total number of sentences is the primary metric. Dividing word count by sentence count gives you average sentence length — the single biggest input into Flesch Reading Ease, Flesch–Kincaid Grade, and Gunning Fog readability scores. The progress bar maps that average to a visual zone so structural problems are obvious at a glance.

Word Counter and Character Count

Word count runs alongside sentence count at all times. The character counter shows totals both with and without spaces — the two figures you need for meta descriptions, social bios, SMS copy, and any other format with a hard character limit. Neither Microsoft Word nor Google Docs exposes the number of sentences in their stats panel; this tool fills that gap.

Paragraph Counter and Reading Time

The paragraph counter shows how many blocks your text contains. Two to four sentences per paragraph is standard for web copy; four to six suits academic writing. Reading time is calculated at 200 words per minute, the commonly cited average for adult silent reading.

Sentence Length, Sentence Variety, and Readability

Keep your average sentence length between 14 and 18 words and your Flesch Reading Ease score stays in the 60–70 range — the accepted target for most web copy and business communications. Push above 25 words per sentence and comprehension drops measurably. Drop below 10 and the writing can feel abrupt.

Sentence variety matters just as much as average length. Mixing short sentences with longer ones creates natural rhythm and prevents the monotone cadence that makes readers disengage. Use the readability band below the progress bar to track whether your draft sits in the short, ideal, or long zone — then adjust accordingly.

Who Uses a Sentence Counter — and Why

Students paste in research papers to count sentences, catch run-ons, and confirm they have met word count requirements before submission. Bloggers and SEOs use average sentence length as a quick on-page readability signal. Copywriters working on professional writing keep their sentence averages tight — 10 to 14 words — for maximum impact. Content creators check sentence structure and paragraph density before publishing. Speakers use sentence count to pace scripts, aiming for one breath per sentence.

Writer type Primary use Target avg words / sentence
Students Verify word count requirements; identify run-ons in research papers 15–20
Bloggers & SEOs Track sentence structure for on-page readability 14–18
Copywriters Concise, high-impact professional writing 10–14
Speakers Pace scripts — one breath per sentence 12–16
Content creators Hit writing goals; check block density before publishing 14–18

Frequently Asked Questions

The tool identifies periods, question marks, and exclamation marks that end a sentence, then filters out abbreviations (Dr., e.g., U.S.), decimal numbers, email addresses, and URLs using pattern matching. Only genuine sentence boundaries increment the count. Everything runs client-side — your text is never uploaded.
Yes. The tool shows sentence count, word count, character count with spaces, character count without spaces, paragraph count, and estimated reading time — all at once, all updating live as you type or paste your text.
No. Because all processing runs locally in your browser, there is no server-side limit. The counter handles everything from a single caption to a full dissertation without slowing down.
Two to four sentences per paragraph for web copy and professional writing; four to six for academic writing. The paragraph counter helps you spot blocks that have grown too dense before you publish.
It's free, and all analysis runs entirely in your browser using JavaScript. Your text is never sent to any server, never stored, and never logged. The tool works fully offline once the page has loaded.
Reading time uses 200 words per minute — the standard average for adult silent reading. A 1,000-word article reads in roughly five minutes. For spoken delivery, use the Speaking Time Calculator linked below.
Word's statistics panel covers words, characters, lines, and paragraphs — but not sentences. Google Docs has the same gap. Copy and paste your text here and you get that missing number instantly, alongside word count and every other metric, with no account or download required.