Sentence Counter
Count sentences in any text instantly. See sentence count, average sentence length, and distribution. Perfect for writing analysis.
About This Free Online Sentence Counter
Our free online sentence counter counts every sentence in your text with high accuracy. It shows total sentence count, average sentence length (in words and characters), and detects sentence boundaries correctly even with abbreviations like "Dr." and "Mr." Perfect for essays, articles, reports, and any writing where sentence variety matters.
Features of Our Sentence Counter
- Total sentence count with instant updates
- Average sentence length in words and characters
- Intelligent abbreviation detection (Dr., Mr., etc.)
- Real-time analysis as you type or paste
- Copy results to clipboard
- 100% private — browser-only processing
How to Use the Sentence Counter
Using this tool is simple and requires no signup or registration. Follow these steps:
- Type or paste your text into the input area.
- View the total sentence count instantly.
- Check average sentences per paragraph and words per sentence.
- Use the data to improve sentence variety in your writing.
Frequently Asked Questions About Sentence Counter
How does the tool detect sentences?
The tool splits text on sentence-ending punctuation (. ! ?) while intelligently handling abbreviations (Dr., Mr., Inc.) and common acronyms. It correctly identifies sentence boundaries even in complex text.
What is a good average sentence length?
For general writing, 15-20 words per sentence is considered ideal. Academic writing averages 20-30 words. For web content, 10-15 words is recommended for readability.
Does it count headings and bullet points?
Yes. All text is analyzed including headings, bullet points, and any line of text. Each line ending with . ! or ? is counted as a sentence.
Why Choose Text Toolbox?
Text Toolbox provides free, private, and instant online text tools. Unlike other text utility websites that require signup accounts or send your data to servers, all our tools process your text entirely in your browser. This means your content never leaves your device — we cannot see it, store it, or share it. Our tools are fast, lightweight, and work on any device with a modern web browser.