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Caulk Tube Coverage Calculator

Linear feet of bead per 10-oz tube at a given bead size.

Estimate how many linear feet (and how many 10-oz tubes) of caulk are needed for a given joint length and bead diameter, using the standard rule of ~25 feet per tube at a 1/4-inch bead.

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

in
ft

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Feet per tube ≈ 25 · (1/4 in / bead_in)². Tubes = ceil(joint_ft / feet_per_tube).

In depth

Estimate how many linear feet (and how many 10-oz tubes) of caulk are needed for a given joint length and bead diameter, using the standard rule of ~25 feet per tube at a 1/4-inch bead.