SEO
Keyword Density Calculator
Keyword density of a target phrase in your text, plus the top repeated words — avoid over-optimization.
Density = (occurrences × words in phrase)…
Also called keyword percentage · keyword frequency
Marketing & Growth · 9 calculators
SEO Calculators
Keyword density, word and character counts, reading time, meta title and description length, CTR and SEO ROI.
SEO
Word Counter
Count words, characters, sentences and paragraphs as you type, with reading and speaking time — free and private.
Words split on whitespace; reading ≈ 238 …
Also called word count tool · count words
SEO
Character Counter
Count characters with and without spaces for tweets, meta tags, SMS and essays, plus words and lines.
Words split on whitespace; reading ≈ 238 …
Also called letter count · count characters
SEO
Reading Time Calculator
Estimate reading time for an article or book from a word count or page count and your reading speed.
Time = words ÷ reading speed (≈ 238 wpm f…
Also called how long to read · read time
SEO
Meta Title Length Checker
Check your SEO title length in characters and estimated pixels so it is not truncated in Google results.
Google truncates titles around 580–600 px…
Also called meta title length · seo title checker
SEO
Meta Description Length Checker
Check meta description length (characters and pixels) against Google’s snippet limits for desktop and mobile.
Google truncates descriptions around 920 …
Also called meta description length · seo description checker
SEO
CTR Calculator
Click-through rate (CTR): clicks as a percentage of impressions for ads, emails and search results.
CTR = Clicks ÷ Impressions × 100
Also called click through rate · ctr formula
SEO
SEO ROI Calculator
Return on SEO investment from organic traffic, conversion rate, order value and monthly SEO cost.
ROI = (organic revenue − SEO cost) ÷ SEO …
Also called seo return on investment · organic roi
SEO
Conversion Rate Calculator
Conversion rate: conversions (sales, sign-ups, leads) as a percentage of visitors or clicks.
Conversion rate = Conversions ÷ Visitors …
Also called cvr calculator · website conversion rate
Key seo formulas
| Keyword Density | Density = (occurrences × words in phrase) ÷ total words × 100 |
|---|---|
| Word Counter | Words split on whitespace; reading ≈ 238 wpm; speaking ≈ 150 wpm |
| Character Counter | Words split on whitespace; reading ≈ 238 wpm; speaking ≈ 150 wpm |
| Reading Time | Time = words ÷ reading speed (≈ 238 wpm for adults) |
| Meta Title Length Checker | Google truncates titles around 580–600 px (~60 characters) |
| Meta Description Length Checker | Google truncates descriptions around 920 px (~158 characters) on desktop |
| CTR | CTR = Clicks ÷ Impressions × 100 |
| SEO ROI | ROI = (organic revenue − SEO cost) ÷ SEO cost |
| Conversion Rate | Conversion rate = Conversions ÷ Visitors / clicks × 100 |