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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
- 1Enter the total length of joints or gaps to be caulked.
- 2Enter your intended bead width in inches.
- 3Enter your tube size in fluid ounces.
- 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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