Start retrieval experiments with a baseline
RAG Chunk Planner
Estimate chunk count, overlap duplication, embedding volume, and vector storage before indexing a document collection.
Chunking is an experiment design problem. The calculator makes the first baseline explicit so later retrieval tests have something concrete to compare.
How it works
Step size = chunk tokens × (1 - overlap). Estimated chunks = total tokens ÷ step size.
Limitations
- Tokenization differs across models and languages.
- Storage is an approximate raw vector estimate before index overhead.
- Retrieval relevance matters more than a mathematically neat chunk count.