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Frequently Asked Questions
How is reading time calculated?
Reading time = word count ÷ reading speed (WPM). The average adult reads about 238 WPM for online content. Select a preset or enter your own speed for a personalized estimate.
What is the average reading speed?
Average adults read 200–250 WPM online. Slow readers: 100–150 WPM. Fast readers: 300–400 WPM. Speed readers: 500+ WPM. Reading speed also varies with text complexity and familiarity with the topic.
What is the Flesch readability score?
The Flesch Reading Ease score (0–100) measures text difficulty. 90–100: Very Easy (children's books). 60–70: Standard (newspapers). 30–50: Difficult (academic). 0–30: Very Difficult (scientific papers). Scores are calculated from sentence length and syllables per word.
Can I add a custom reading speed?
Yes. Use the Custom WPM field to enter any reading speed. The estimator updates immediately and highlights the closest matching preset row.
What does scroll depth estimate mean?
Scroll depth estimates the percentage of readers likely to finish the article, based on length and readability research. Longer or harder texts have lower predicted completion rates.