The Bolt Torque & Preload calculator can be used to calculate the torque required to achieve the desired preload on a bolted joint. See the reference section for details on the methodology and the equations used.


Bolt Properties
Preload Specification
Friction in Joint


Need More Functionality?

Sign up for an account to receive full access to all calculators and other content. The subscription types are described below, along with the benefits of each.

  •  
  • Price
  • Access to Calculators
  • Login
  • Create Materials
  • Create Cross Sections
  • Save Files
  • Reporting
  • Free
  • Limited
    Limited Access to Calculators
  • None
    No Login
  • Pre-defined Materials
  • Pre-defined Cross Sections
  • No Saved Files
  • No Reporting
  • Learn More »
  • USD $9.99 /month
    USD $59.99 /year
  • Full
    Full Access to Calculators
  • Individual
    Individual Login
  • Create Materials
  • Create Cross Sections
  • Unlimited Saved Files
  • Unlimited Reporting
  • Learn More »
  • Sign Up Now
  • USD $39.99 /month
    USD $249.99 /year
  • Full
    Full Access to Calculators
  • Floating Licenses  
    Floating Licenses  
  • Create Materials
  • Create Cross Sections
  • Unlimited Saved Files
  • Unlimited Reporting
  • Learn More »
  • Sign Up Now

Looking for Other Calculators?

Here are just a few of the calculators that we have to offer: