---
title: "Tension Calculation"
slug: "tension-calculation"
tags: ["FCM"]
updated: 2026-10-27T23:12:05Z
published: 2026-10-27T23:12:05Z
canonical: "ims-handbook.cenosco.com/tension-calculation"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://ims-handbook.cenosco.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Tension Calculation

For imperial: $F = S_{b} * A$

Tension Calculations:

| Symbol | Name | UoM | Source |
| --- | --- | --- | --- |
| F | Tensile force | lbf | Calculated. |
| Sb | Target Bolt Stress | psi | LOOKUP (based on Flange SIZE and CLASS RATING) or user input. See [Target Bolt Stress Lookup](/v414/docs/target-bolt-stress-lookup). |
| A | Bolt tensile stress area | in2 | Calculated or user input. See [Bolt Tensile Stress Area Calculations](/v414/docs/bolt-tensile-stress-area-calcs). |