Words to Tokens Converter
Convert between words, characters, tokens, and pages for AI models and content planning.
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How to use this calculator
The conversion chain is: Pages → Words (×500) → Characters (×5) → Tokens (÷chars-per-token). Reading and speaking times use standard average speeds of 238 WPM and 130 WPM respectively.
- 1
Select the unit you already know (words, tokens, characters, or pages) from the "I have" dropdown.
- 2
Enter the quantity in the number field.
- 3
Choose the characters-per-token ratio that matches your target AI model, then read all converted values.
Frequently asked questions
How does the converter get from words to tokens?
It assumes 5 characters per word, spaces included, so characters = words × 5. Tokens = characters ÷ the chars-per-token ratio you select (3.5, 4 or 5), rounded up. At the 4 setting, 1,000 words become 5,000 characters and 1,250 tokens.
How many words is 1,000 tokens?
It depends on the ratio you pick: 700 words at 3.5 characters per token, 800 at 4 and 1,000 at 5, all with 5 characters per word. When you start from tokens, the tool converts them to characters with your selected ratio and then to words, so converting the result back returns the same token count.
What do the three chars-per-token presets mean?
They are 3.5, 4 and 5, labelled in the dropdown with a model family or content type. The code simply applies whichever number you choose. Real tokenizers vary by model, language and content, so no preset is exact, and the converter does not run an actual tokenizer.
How is the page unit defined?
One page is 500 words. Entering pages multiplies by 500 to get words, and the pages result is words ÷ 500 shown to one decimal. Real page word counts vary with layout, font and spacing.
Where do the reading and speaking times come from?
Reading time = words ÷ 238 words per minute and speaking time = words ÷ 130 words per minute. They are single average speeds. Under a minute the display switches to seconds, for example 10s for 40 words, and from an hour up it shows hours and minutes.
Why is 5 characters per word fixed?
It is a simplification used for every conversion. Text with long technical terms has more characters per word, and text with short words has fewer, so actual token counts for your content may be higher or lower than shown.
What happens if I convert characters or tokens?
Characters are divided by 5 to get words; tokens are multiplied by the chosen ratio and divided by 5. In both cases the other values follow from the word count, so rounding can make a back-and-forth conversion differ by a unit.
Is the token result a billing figure?
No. It is a planning estimate. Use the provider’s tokenizer or the usage counts in API responses for any figure that affects billing or a hard limit.
Words to tokens converter: planning conversions with a chars-per-token ratio
The conversion chain
Everything is routed through a word count. Words stay as entered; pages × 500 gives words; characters ÷ 5 gives words; and tokens × the selected chars-per-token ÷ 5 gives words. From the word count the tool derives characters (words × 5), tokens (characters ÷ chars-per-token, rounded up), pages (words ÷ 500), reading time (words ÷ 238 per minute) and speaking time (words ÷ 130 per minute). Five characters per word, spaces included, is a fixed assumption of the tool, so the output is a planning figure rather than a measurement of any particular text.
Presets compared
The three presets are those in the dropdown. Their labels attribute them to model families or content types, but the code simply applies the number you pick, and real tokenizers vary by model, language and content, so no preset is exact.
| Chars per token | Tokens for 1,000 words | Words for 1,000 tokens |
|---|---|---|
| 3.5 | 1,429 | 700 |
| 4 | 1,250 | 800 |
| 5 | 1,000 | 1,000 |
Worked examples
Each row was produced by running the converter.
| Input | Words | Characters | Tokens | Pages | Reading | Speaking |
|---|---|---|---|---|---|---|
| 1,200 words at 4 | 1,200 | 6,000 | 1,500 | 2.4 | 5 min | 9 min |
| 50 pages at 3.5 | 25,000 | 125,000 | 35,715 | 50.0 | 1h 45m | 3h 12m |
| 12,000 characters at 5 | 2,400 | 12,000 | 2,400 | 4.8 | 10 min | 18 min |
| 1,000 tokens at 4 | 800 | 4,000 | 1,000 | 1.6 | 3 min | 6 min |
| 40 words at 4 | 40 | 200 | 50 | 0.1 | 10s | 18s |
Converting from tokens
When you start from tokens, the conversion uses the ratio you selected, so 1,000 tokens becomes 800 words at 4 and 700 at 3.5, and converting that result back returns 1,000 tokens either way. That matters for budgets stated in tokens, such as a limit on a response. Because the whole chain assumes five characters per word, a text with long technical terms will contain fewer words per token than shown, and short-word text more. Pick the ratio, check one real sample if you can, and keep a margin.
Reading and speaking times
Times use 238 words per minute for reading and 130 for speaking. Under a minute the display switches to seconds, as in the 40-word run, and from one hour up it shows hours and minutes, as in the 50-page run. These are single average speeds, so a dense technical document or a slow presentation will take longer. Treat them as planning numbers for scripts and articles, not as measurements of any audience.
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Results are estimates for informational purposes only and do not constitute professional financial, medical, legal, or technical advice. Read full disclaimer →