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Як розрахувати Reading Grade Level

Що таке Reading Grade Level?

The Flesch-Kincaid Grade Level formula estimates the US school grade required to understand a text. The companion Reading Ease score (0–100) measures readability — higher scores mean easier reading.

Формула

FK Grade Level = 0.39 × (words/sentences) + 11.8 × (syllables/words) − 15.59
FK
206 — 206

Покрокова інструкція

  1. 1FK Grade Level = 0.39 × (words/sentences) + 11.8 × (syllables/words) − 15.59
  2. 2FK Reading Ease = 206.835 − 1.015 × (words/sentences) − 84.6 × (syllables/words)
  3. 3Shorter sentences and simpler words both improve readability
  4. 4Syllables counted by detecting vowel groups in each word

Розв'язані приклади

Введення
Simple children's book text
Результат
Grade 2–4, Reading Ease 80–90
Введення
Typical newspaper article
Результат
Grade 6–8, Reading Ease 60–70
Введення
Academic journal abstract
Результат
Grade 12–16, Reading Ease 20–40

Часті запитання

What is Grade Level?

The Flesch-Kincaid Grade Level formula estimates the US school grade required to understand a text. The companion Reading Ease score (0–100) measures readability — higher scores mean easier reading

How accurate is the Grade Level calculator?

The calculator uses the standard published formula for grade level. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Grade Level calculator use?

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Grade Level calculator use?

The core formula is: FK Grade Level = 0.39 × (words/sentences) + 11.8 × (syllables/words) − 15.59. Each step in the calculation is shown so you can verify the result manually.

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