Pevlika Browser Apps

RAG Chunk Count Calculator

Number of chunks for a corpus at a chunk size and overlap.

Runs in your browser — nothing is uploaded
Corpus size in

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How to use RAG Chunk Count Calculator

  1. Enter your values — the unit for each field is shown next to it.
  2. The result updates instantly as you type.
  3. Copy the results, or change inputs to compare scenarios.

Formula & assumptions

Chunks = ⌈(corpus tokens − overlap) ÷ (chunk size − overlap)⌉

Chunk Overlap CalculatorOverlap tokens, stride and storage overhead for chunking. Chunk Size CalculatorLargest chunk size that fits your retrieval budget and top-k. Embedding Cost CalculatorOne-time embedding cost, vector count and storage for a document set. Token SplitterSplit long text into token-limited chunks with overlap for LLMs and RAG.