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Words ↔ Tokens Converter

Convert words to estimated AI tokens in either direction, with language-aware density.

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Words and tokens

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Verified reference

Calculation reference

Reference values · verified Oct 2026

Words≈ Tokens% of 1.05M context% of 1M context
1001330.0%0.0%
5006650.1%0.1%
1,0001,3300.1%0.1%
5,0006,6500.6%0.7%
10,00013,3001.3%1.3%
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Frequently asked questions

Each model uses a specific tokenizer. Word length, punctuation, code, and language all affect the final total.

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