Measure joints
Enter length, width, depth, and the number of identical joints in metric or imperial units.
LENGTH · WIDTH · DEPTH
CaulkCraft
Estimate joint sealant volume, tubes, packs, and cost offline.
Allow for waste
Choose a waste percentage and your cartridge volume.
Plan purchases
See whole tubes and packs to buy, with optional estimated cost.
A planning calculation
CaulkCraft assumes a rectangular joint cross section. It excludes backing rod, bead shape, product-specific coverage, and tooling loss beyond your chosen waste allowance. Check the sealant label and site conditions before buying.
Privacy policy
Effective September 21, 2026. CaulkCraft collects, stores, shares, and tracks no personal data. It has no account, ads, analytics, servers, or Internet permission. Measurements, prices, and results remain in memory during the app session. Only the theme preference is stored locally; Android backup is disabled. The offline Contact draft sends and saves nothing. Clear local preferences by clearing app storage or uninstalling; there is no server-held data to access or delete.