Reading Time Calculator
Feed in a piece of text and get back two estimates: how long it takes to read silently, and how long it takes to say out loud. Both figures come from a speed you choose, and both run in the browser without the text being uploaded.
Turning a Word Count Into a Time Estimate
A word count is a number nobody can picture. Reading time is the same number translated into something a person can plan around, which is why article headers carry it and why speakers rehearse against it. This page produces both the silent-reading estimate and the spoken estimate from a single paste, because the two differ by roughly half.
- The text is counted by splitting on whitespace, which is the only counting rule that makes sense without a language model to segment words.
- Silent reading speed is a menu with four common settings — Slow at 150 words per minute, Average at 200, Fast at 250 and Speed reader at 300 — plus a Custom option for entering your own number.
- Speaking speed is a separate menu with its own three settings: Slow at 100, Average at 130 and Fast at 160 words per minute.
- The result shows the word count alongside both durations, and rolls a duration over into hours and minutes once it passes sixty minutes, so a long document reads as '1 hr 12 min' rather than '72 min'.
Choosing a Reading Speed That Matches the Job
- Paste or type the text into the input box. Nothing is uploaded; the count is done locally.
- Leave the reading speed at Average unless you have a reason not to. Two hundred words per minute is the long-standing figure for adult silent reading of straightforward prose and sits in the middle of the range that research tends to report.
- Drop to Slow when the text is dense — legal wording, technical specifications, or anything with unfamiliar vocabulary. Rising to Fast is reasonable for a familiar topic read by someone who reads a great deal.
- Set the speaking speed from the nature of the delivery. Around 130 words per minute is a comfortable presentation pace; 160 suits a confident speaker working to a strict time slot; 100 buys room for pauses, slides and audience reaction.
- Press Calculate. Read the two durations as separate decisions: which one matters depends on whether the text is going to be read or performed.
Rehearsing a Talk Against the Clock
A common job: a twelve-minute conference slot, a script of about 1,800 words, and the suspicion that it has grown past the limit. Paste it and compare the two figures.
- At the Average speaking speed of 130 words per minute, 1,800 words lands at 14 minutes — over the slot, before any pauses.
- Switch the speaking speed to Fast at 160 and it reads as 12 minutes, which is on the limit but leaves nothing for audience reaction or a broken projector.
- The honest fix is editorial rather than vocal: cut to roughly 1,560 words, which is twelve minutes at 130 words per minute with the pace left comfortable.
- The silent-reading figure is worth glancing at too. A script that takes eight minutes to read silently but fourteen to say out loud is behaving normally — the ratio is roughly 1.6, and a much wider gap usually means the sentences are denser than they will sound.
Where the Estimate Breaks Down
Every reading-time figure is a linear function of word count, and real reading is not linear. The estimate assumes a reader who moves at a constant pace and never stops, which is a useful approximation and a poor description of what happens.
- Rounding is always upward. The minute figure is the ceiling of words divided by speed, so 201 words at 200 words per minute reports two minutes. Short texts are therefore consistently overestimated by up to a minute.
- Counting is by whitespace, so text in a language that does not separate words with spaces — Chinese, Japanese, Korean — registers as a single word no matter how long it is. The estimate is meaningless for those inputs.
- Headings, table cells, code and captions all count as ordinary words, even though readers skim them at a different rate or skip them entirely.
- No allowance is made for images, diagrams or tables, which take time to interpret but contribute no words.
- The figure describes the reading of the text, not the writing, editing or reviewing of it, and the two are not comparable.
What the Two Estimates Are Actually For
| Alternative | Notes |
|---|
| Silent reading time | The figure for a reader who is not performing for anyone. Relevant for blog headers, documentation pages and study planning — anywhere the question is how long this will take me. |
| Speaking time | The figure for a reader who is being listened to. Relevant for scripts, presentations, lecture notes and voice-over. Slower because articulation and breath impose their own ceiling. |
| Publishing a reading time on an article | Use the silent figure but round it up and be generous. Readers of an article are interrupted, scroll back and re-read, and a stated four minutes that takes six damages trust more than a stated five that takes five. |
| Estimating a professional job | Neither figure is a substitute for a rate card based on your own measured throughput. Use it as a first approximation and correct it with a few timings of your own work. |
Time Estimate Questions
Why does a two-hundred-word text report two minutes rather than one?
Because the minute figure is rounded upward, not to the nearest. Two hundred words at two hundred words per minute is exactly one minute, but any word over that pushes the ceiling to two. The rounding is deliberate: an estimate that under-runs a schedule is worse than one that over-runs it.
What reading speed should I use?
Two hundred words per minute for ordinary prose if you have no other information — it is the conventional adult figure for silent reading and the middle of most reported ranges. Move down for technical or legal text and up for material the reader already knows well. For speaking, 130 is a comfortable presentation pace and 100 leaves room for pauses.
Does it work for Chinese or Japanese text?
Not meaningfully. The counter splits on spaces, and Chinese and Japanese do not put spaces between words, so a paragraph of either registers as one or two words. The tool is built around space-delimited languages; for character-based languages you need a character count instead.
Is the text I paste kept anywhere?
No. The count happens in the page and the result is derived from the text you pasted in that session. There is no saved history, no account and no upload, so unpublished drafts are safe to paste here.
Last verified: October 3, 2026
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Maintained by Huang Bin · Last updated October 3, 2026