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Caulk Calculator

Enter your total joint length, bead width, and tube size to estimate how many tubes of caulk you'll need.

How to use this tool

  1. 1Enter the total length of joints or gaps to be caulked.
  2. 2Enter your intended bead width in inches.
  3. 3Enter your tube size in fluid ounces.
  4. 4See linear feet per tube and tubes needed.

Frequently asked questions

Should I buy extra tubes?+

Yes — this is an estimate assuming a consistent square bead; uneven application, corners, and touch-ups typically use more than the calculated amount, so round up.

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