Boilermakers

Tube Sheet Pitch Calculator

Estimate tubes per row and pitch spacing across a tube sheet diameter.

Tube sheet usable diameter (in) Tube OD (in) Tube pitch center-to-center (in)

Approx. max tubes across diameter28Clearance between tubes: 0.250"

Edge margin approx.0.625"

Pitch / OD ratio1.25

Usable diameter36.000"

Pitch1.250"

Layout estimate only. Tube sheets require engineered patterns, ligament checks, code requirements, expansion/weld details, and print dimensions.

How to use this tool

Tube Sheet Pitch Calculator guide

Estimate tubes per row and pitch spacing across a tube sheet diameter. Enter the known field measurements and use the result as a fast estimate or layout reference.

Always verify the print, code requirements, equipment manual, material specification, site conditions, and qualified trade judgment before using calculator results on a real job.