Optibelt Software



Optibelt's free CAP drive calculation software is used to calculate various aspects of power transmission drives for v-belts, timing belts and ribbed belts. Software installs onto any Windows operating system 2000/XP/7. Software must me registered for extended use.

optibelt CAP software can calculate the following:

  • Performance & efficiency
  • Durability / Longevity
  • Cost savings
  • Compare existing and optimized drive performance 


Click to download the version(s) that are suitable for your needs:

  • optibelt CAP v10.1
    U.S. (Imperial) Calculations for V-Belts (Single, Banded, Cogged) Ribbed 

  • optibelt CAP 6.5
    Metric Calculations for Timing Belts & Multiple Pulley Drives

  • optibelt CAP 6
    Metric Calculations for V-Belts (Single, Banded, Cogged) Ribbed 


To Register, select CAP from the menu, fill out the form and submit

For activation help contact an OPTIBELT representative. Advanced calculations and engineering service assistance is available upon request.


Need a drive calculation performed, but don't want to install software? Simply download the easy-to-use form, fill out the needed information and save it to your computer. Then e-mail it to us at info@optibelt-usa.com. A member of our sales staff will give you the results of your requested calculation!

>> Click here to download the Drive Calculation Form.

>> Click here to download the Drive Calculation Form in Spanish.


The OPTIBELT app is now available for iPhone and Android platforms! 

Take advantage of the the these features:

  • News, see what is new at OPTIBELT
  • E-shop, dealer resource
  • EAN CODE scanner that can recognize any OPTIBELT EAN belt code
  • Online reference catalogs
  • Drive calculation & tensioning references