Now offering same-day delivery in Tulsa & OKC! Learn More.

Jobsite Calculators

Make faster, more accurate material estimates with our calculator tools — designed specifically for contractors and field pros. Whether you're estimating joint volume, backer rod length, or checking how far your sealant will go, these tools help you reduce waste, improve accuracy, and quote with confidence.

Maxwell Supply has your back from takeoff to closeout.

For 10.1 oz cartridges

Estimate Caulking Tubes Needed by Joint Size

Enter your joint dimensions to calculate how many cartridges you'll need. Note: This does not include overfill or waste — round up accordingly.

(inches as decimal)

(inches as decimal)

For 10.1 oz cartridges

For long joints, always include at least 1 extra tube per case.

For estimating total material needed in gallon units

Estimate Bulk Sealant in Gallons

Input your joint dimensions to calculate how many gallons you'll need. You can use this for 1-part or 2-part bulk sealants and elastomers.

(inches as decimal)

(inches as decimal)

For Gallon Units