Caulk Coverage
Find the linear feet a tube of caulk seals.
About Caulk Coverage
A tube holds a fixed volume, and the bead's cross-section determines how far that volume stretches. Dividing the joint length by the per-tube coverage gives the tubes needed. Caulk is sold by volume but used by length, so converting to linear feet tells you exactly how many tubes a job takes.
Formula
Caulk Coverage
Linear ft/tube = (tube cu in / (bead width x depth)) / 12
- bead
- The line of caulk applied to the joint
Worked example
With the default values below, Caulk Coverage returns Linear Feet per Tube of 24.1. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Tube volumeminimum 0.1 fl oz
- 10 fl oz
- Bead widthminimum 0.01 in
- 0.25 in
- Bead depthminimum 0.01 in
- 0.25 in
- Joint length
- 50 ft
Results
- Bead Cross-Section
- 0.0625 sq in
- Linear Feet per Tube
- 24.1 ft
- Tubes Needed
- 3
Step by step
- 1Values used
- 2Caulk Coverage
- 3Linear Feet per Tube= 24.1 ft
- 4Bead Cross-Section= 0.0625 sq in
- 5Tubes Needed= 3
Assumptions and limits
- The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 4 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Caulk Coverage calculated?
Linear ft/tube = (tube cu in / (bead width x depth)) / 12 A tube holds a fixed volume, and the bead's cross-section determines how far that volume stretches. Dividing the joint length by the per-tube coverage gives the tubes needed.
Why does Caulk Coverage matter?
Caulk is sold by volume but used by length, so converting to linear feet tells you exactly how many tubes a job takes.
What values do I need to enter?
This calculator takes 4 inputs: Tube volume, Bead width, Bead depth, Joint length. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.