Verified October 2026

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Sentences to tokens converter

A typical English sentence is 15 words, or about 20 tokens. Sentence-level estimates are the right unit when you are pricing summarisation, classification or translation jobs.

Sentences to tokens table

Sentences → Tokens (15 words per sentence)
SentencesTokens
10200
50998
1001,995
2504,988
5009,975
1,00019,950
5,00099,750
10,000199,500

Batch job sizing

A classification job that processes 100,000 sentences at 15 words each sends 1,995,000 input tokens and returns a label of roughly 10 tokens per item. At the cheapest input rate in this dataset that prompt costs $0.20; at the most expensive, $19.95.

The output side is where most classification projects get their surprise: 100,000 labels of 10 tokens is 1,000,000 output tokens, billed at three to five times the input rate.

FAQ

How many tokens is a sentence?

About 20 tokens for a typical 15-word English sentence. Short sentences cost less, technical ones with numbers and identifiers cost more.

How many tokens is a paragraph?

Roughly 100 tokens, assuming five sentences of 15 words.

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