Flesch Reading Ease Calculator
Score how easy a text is to read.
Enter your values
Enter the total words you are working with.
Enter the total sentences you are working with.
Enter the total syllables you are working with.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Flesch reading ease
- 73.9
- Reading level
- Easy (7th grade)
- Avg words per sentence
- 14.3
- Avg syllables per word
- 1.4
Quick answer
Flesch reading ease scores 90-100 as very easy and 0-30 as very difficult, based on sentence and word length.
206.835 - 1.015(words/sentences) - 84.6(syllables/words)
At a glance
| What it does | Score how easy a text is to read. |
|---|---|
| Category | Education |
| Inputs needed | Total words, Total sentences, Total syllables |
| Main output | Flesch reading ease |
| Formula | 206.835 - 1.015(words/sentences) - 84.6(syllables/words) |
| Cost | Free — no sign-up, no download |
How to use the Flesch Reading Ease Calculator
- 1Count or estimate total words, sentences and syllables in your text.
- 2Enter each total into the calculator.
- 3Higher scores mean easier reading; most general audiences read best at 60-70.
Inputs explained
- Total words
- Enter the total words you are working with.
- Total sentences
- Enter the total sentences you are working with.
- Total syllables
- Enter the total syllables you are working with.
Worked example
Using the values the calculator loads with:
Inputs
- Total words500
- Total sentences35
- Total syllables700
Results
- Flesch reading ease73.9
- Reading levelEasy (7th grade)
- Avg words per sentence14.3
- Avg syllables per word1.4
Frequently asked questions
How do I count syllables quickly?
Many word processors and online tools count syllables automatically; roughly count vowel groups per word as an estimate.
What score should marketing copy target?
Aim for 60+ (standard to easy) so most adult readers can follow it quickly.
What do I need to enter into the Flesch Reading Ease Calculator?
Just 3 values: total words, total sentences, total syllables. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Flesch Reading Ease Calculator work out the answer?
Flesch reading ease scores 90-100 as very easy and 0-30 as very difficult, based on sentence and word length. It applies the formula 206.835 - 1.015(words/sentences) - 84.6(syllables/words) and shows the working so you can check each step by hand.
Is the Flesch Reading Ease Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.