How to use the Signfix Calculator

Signfix Calculator

Project estimation made easy.

The Signfix Calculator is an engineering design tool that streamlines the estimating process by accurately determining the appropriate Signfix or Optimast Frangible Signpost System for safe and compliant sign installations.

Watch the Calculator Tutorial

The Signfix Calculator is easy to use, accurate and compliant. View our 8-step tutorial video below and start estimating.

Start Estimating with the Signfix Calculator

Why use the Signfix Calculator?

Using your projects key site inputs, such as, wind region, terrain, soil type, sign size, mounting height, and number of posts, the Signfix Calculator performs structural assessments and recommends post sizes, quantities, and footing requirements, to Australian Standards, ensuring accurate and reliable specification.

  • Streamline project estimation
  • Maintain structural compliance
  • Get reliable and accurate specification
  • Save time on sign installation planning

Quick Steps: How to Use the Signfix Calculator

1
Select the Wind Speed Region
2
Choose the Terrain Category
3
Find the Soil Foundation Type
4
Enter the Sign Dimensions
5
Select the Number of Posts
6
Enter Sign Mounting Height
7
Confirm Post Spacing
8
Submit for Calculation

Frequently Asked Questions

What information do I need before using the calculator?

You will need your project location wind region, terrain category, soil foundation type, sign dimensions (width and height), number of posts required, mounting height and post spacing details.

What does the calculator determine?

It estimates suitable Signfix & Optimast frangible post sizes, quantities, and footing requirements based on the inputs provided.

Who should use the calculator?

The calculator is useful for engineers, contractors, installers, and project teams specifying sign installations.

Get in Touch

Ready to specify a Signfix or Optimast Frangible Signpost System for your next project?
Contact the Signfix team for expert advice, pricing, and technical support.