jarvisbox

Reading Time Estimator

Paste your text and instantly see how long it takes to read at slow, average, and fast reading speeds.

100% client-side · no upload

Slow reader · 150 wpm

Average · 238 wpm

Fast reader · 400 wpm

Word count 0

How to use

  1. Paste your article, essay, or document into the box above.
  2. Reading time updates live for slow (150 wpm), average (238 wpm), and fast (400 wpm) readers.
  3. Use the average estimate for blog posts and articles; use slow for dense academic text.

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Frequently Asked Questions

Is this reading time estimator free?
Yes, completely free with no signup and no usage limits.
Does my text leave my device?
No. All calculations run in JavaScript inside your browser. Nothing is sent to any server.
Does it work on mobile?
Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.
Report a problem with this tool