Keyword Density Checker: Paste text and enter a target word or phrase to measure how frequently it appears. Use the result as an editorial repetition check, not as a target percentage or guarantee of search performance.
Keyword Density Checker
Inspect repeated words and phrases in a draft.
Formula and assumptions
Tool · Count overlapping one-, two- and three-word sequences. Density (%) = occurrences ÷ total words × 100. Display the ten most frequent eligible sequences of each length.
Density is occurrences divided by all word positions. Optional English stop-word filtering removes phrases containing stop words. Use this diagnostic to investigate repetition, never as a ranking target.
This tool processes inputs in your browser. Calculator values are not stored or sent by this plugin.
Further reading: Unleash the Power of Keywords: A Comprehensive Guide to Mastering Keyword Research with Tools
Related tools: Word and Character Counter · Reading and Speaking Time Calculator
Page editor: Muhammad Usman · Last edited: November 3, 2026
What this calculator tells you
Keyword density is a simple frequency ratio: occurrences of a selected term divided by the total word count. It can reveal accidental repetition, but modern search relevance depends on meaning, coverage, usefulness and context rather than an ideal density percentage.
- Find an over-repeated phrase during editing.
- Confirm that a page clearly names its main topic without unnatural repetition.
- Compare exact-phrase frequency before and after revising a draft.
For a decision-ready record, save the input definitions, reporting period, currency, source system and calculation date with the result. This makes the Keyword Density Checker output reproducible and prevents a later reader from comparing figures that were produced from different scopes or assumptions.
How to use the Keyword Density Checker
- Paste only the main text you want to review, excluding menus and footer copy.
- Enter the exact word or phrase whose repetition you want to measure.
- Run the analysis and review occurrence count, total words and density together.
- Read the text naturally and replace only repetition that harms clarity; do not optimize toward an arbitrary percentage.
Formula and variables
Keyword density (%) = exact occurrences ÷ total words × 100Phrase matching rules matter. Case sensitivity, punctuation, stemming and overlapping matches can change the result. This tool reports its own literal processing rather than a Google ranking score.
- Occurrences
- Matches for the entered word or phrase under the tool's rules.
- Total words
- Detected words in the supplied text.
- Density
- Occurrences expressed as a percentage of total word count.
Worked examples
Single-word check
A 500-word draft contains “analytics” five times. Simple density is 5 ÷ 500 × 100 = 1%. The number alone does not show whether the mentions are useful.
Exact phrase check
“Email marketing” appears four times in 800 words. Exact-phrase density is 0.5% when each occurrence is counted once, although word-share methods can report differently.
Editing repetition
A paragraph repeats the target phrase in three consecutive sentences. The page-wide percentage may look modest, but local repetition can still sound unnatural and should be rewritten.
How to interpret the result
A density result is descriptive, not prescriptive. Use it to locate repetition and then judge the surrounding sentences. Clear definitions, useful examples and related concepts matter more than repeating one exact phrase.
Different tools can show different percentages because they tokenize phrases differently. Keep the method consistent when comparing drafts and do not present any threshold as a Google requirement.
Practical tips
- Include the main term naturally in the title, H1 and relevant explanatory text.
- Use synonyms only when they improve clarity, not to disguise repetition.
- Review headings and opening paragraphs separately from the overall page.
- Prioritize complete answers, entities and examples over a density target.
Common mistakes to avoid
- Treating a specific density as a ranking rule.
- Pasting navigation and footer text into the analysis.
- Repeating exact phrases until the writing sounds unnatural.
Assumptions and limitations
- Literal matching may not recognize synonyms, inflections or semantic relevance.
- Punctuation and phrase-boundary rules affect occurrence counts.
- The calculation cannot judge accuracy, expertise or search intent.
- A page can be repetitive in one section even when overall density is low.
Treat the result as a planning estimate. Confirm important business, tax, platform or contractual decisions against your own records and the latest applicable terms.
Related tools
Frequently asked questions
What is the ideal keyword density for SEO?
Google does not publish an ideal density. Write naturally, answer the query thoroughly and use frequency checks only to identify awkward repetition.
Does Google use keyword density as a ranking rule?
Google warns against keyword stuffing and focuses on useful, relevant content. A density percentage is not a ranking score.
How is phrase density calculated?
This tool divides exact phrase occurrences by total detected words and multiplies by 100. Other tools may use word share or different matching rules.
Should I include headings in the text?
Include them if you want a whole-page editorial check, but exclude menus, sidebars and repeated template text.
Can low density mean the page is irrelevant?
Not by itself. Search systems can understand related terms and context. Check whether the topic is clearly explained rather than chasing a percentage.
Sources and review
Primary reference: Google Search spam policies. Google identifies unnatural repetition used to manipulate rankings as keyword stuffing. The policy does not prescribe a target density.
Reviewed by: Usman Arshad, Artsians page editor. Last reviewed: November 5, 2026. The calculator runs in your browser and does not perform currency conversion.