INFRASTRUCTURE

Database & B-tree storage sizer

Estimate row storage and conventional index capacity.

Row countAverage row bytesNumber of B-tree indexesAverage indexed key bytesRow and page overhead (%)Index fill factor (%)Total copies including primary

Result

Ready when you are.

ADVERTISEMENT · RESERVED SPACE

Method & limitations

Raw data equals row count times average row bytes with overhead applied. Each B-tree entry is approximated as key bytes plus an 8-byte row pointer divided by fill factor. Index estimates omit detailed tree structure, engine-specific tuple headers, compression, WAL, temporary storage and vacuum space. Validate with a representative sample.

Explore all tools →