Everyday Life

Check Text Reading Level — Flesch-Kincaid

Built by Kevin Glover · @gloverbuilds · Verified formula

Paste text to calculate its reading grade level. Flesch-Kincaid and Flesch Reading Ease scores.

📅 Updated April 2026 ✅ Formula verified 📖 4 min read 🆓 Free · No sign-up

In this article

Understanding Readability Scores
Optimal Reading Levels by Content

Lesbarkeitsindizes

Flesch-Reading-Ease (deutsch angepasst): 0-100. Hoher Wert = leichter. Webinhalte: 60-70 (Gymnasium-Niveau). Fachtexte: 20-40. Einfache Sprache: 80+. Kurze Saetze + Alltagswoerter = zugaenglicher. Vereinfachen heisst nicht vereinfachen — es heisst klar kommunizieren.

Optimieren

15-20 Woerter pro Satz. Aktiv statt passiv. Ein Gedanke pro Absatz. Zwischenueberschriften. In Deutschland: Leichte Sprache ist gesetzlich vorgeschrieben fuer Behoerden (BITV).

⚡ CalcWolf Insight

Amazon product descriptions target grade 6-7. Apple marketing copy averages grade 4-5. The most successful copywriters in history (David Ogilvy, Claude Hopkins) wrote at grade 6-8. Simple writing is not lazy — it is the hardest kind to produce and the most effective at persuading.

Frequently asked questions

Welches Niveau fuer Websites?▾

Flesch 60-70. Kurze Saetze, einfache Woerter, Zwischenueberschriften.

Gibt es Pflichten?▾

Behoerden: Leichte Sprache vorgeschrieben (BITV). Unternehmen: freiwillig aber empfohlen.

✓ Math logic verified against primary sources → See our verification process

Kevin Glover · @gloverbuilds

Founder, CalcWolf · GLVTS · Blickr

All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →