Flesch-Kincaid Calculator

Spec sheet

Intended users

The site describes the calculator as useful for content teams, educators, agencies, and public-sector writers.Read 9 Oct 2026 · flesch-kincaid-calculator.com

Security

The site says it implements technical and organizational security measures but does not guarantee absolute security.Read 9 Oct 2026 · flesch-kincaid-calculator.com

Additional metrics

It also reports sentence counts, word counts, syllables, and average sentence length.Read 9 Oct 2026 · flesch-kincaid-calculator.com

Analytics

The privacy policy says the site uses PostHog analytics, which may collect usage, device, browser, and session recording information if enabled.Read 9 Oct 2026 · flesch-kincaid-calculator.com

Browser processing

The site says submitted text is processed in real time and discarded immediately after analysis, and is not stored or transmitted.Read 9 Oct 2026 · flesch-kincaid-calculator.com

Readability scores

The calculator reports Flesch Reading Ease on a 0–100 scale and an estimated U.S. school grade level.Read 9 Oct 2026 · flesch-kincaid-calculator.com

Related calculators

The site links to calculators for SMOG, Gunning Fog, Dale-Chall, ARI, Coleman-Liau, Linsear Write, Lix, and Rix, among others.Read 9 Oct 2026 · flesch-kincaid-calculator.com

Shareable results

If a user creates a shareable link, the site stores analysis scores and metrics but not the original text, and retains those results for one year.Read 9 Oct 2026 · flesch-kincaid-calculator.com

Text input

Users can paste text ranging from short paragraphs to full articles for analysis.Read 9 Oct 2026 · flesch-kincaid-calculator.com

Text recommendations

The site says it provides recommendations to improve readability for a target audience.Read 9 Oct 2026 · flesch-kincaid-calculator.com

Plans and prices

Every Flesch-Kincaid Calculator plan and price →

Where Specifiction places it

• Readability Checkers#22 of 257.3