Pevlika Browser Apps

Chunk Overlap Calculator

Overlap tokens, stride and storage overhead for chunking.

Runs in your browser — nothing is uploaded

—

How to use Chunk Overlap 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

Stride = chunk size − overlap; overhead = chunk ÷ stride − 1

RAG Chunk Count CalculatorNumber of chunks for a corpus at a chunk size and overlap. Token SplitterSplit long text into token-limited chunks with overlap for LLMs and RAG. 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.