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1. Understand the Purpose of the Sign

Before choosing a size, ask yourself what the sign needs to achieve.

  • Directional or informational signs (like Braille or wayfinding signs) should be easily readable at a short distance.

  • Safety and statutory signs must meet specific regulations for visibility and readability.

  • Promotional or branding signs often benefit from being larger to attract attention from afar.

A clear purpose helps you narrow down the dimensions quickly.

2. Consider the Viewing Distance

The further your audience is from the sign, the larger the text and overall size should be.
A helpful rule of thumb:

Every 25mm of letter height provides good readability from about 2.5 metres away.

For example:

  • Small indoor Braille signs: 150mm x 200mm to 200mm x 300mm

  • Statutory/safety wall signs: 200mm x 300mm or 300mm x 450mm

  • Outdoor or directional signage: 600mm x 900mm and above

3. Check Legal and Accessibility Requirements

If you’re installing Braille or statutory signs, ensure you meet local compliance standards.

  • Braille Signs: Must be readable by touch, with appropriate spacing and raised text.

  • Statutory Signs: Need to comply with building codes and safety regulations (e.g., Fire Exit, No Smoking, Electrical Room, etc.) which often dictate minimum sign and text sizes.

Always verify requirements for your state or industry before printing.

4. Match the Space and Mounting Location

Measure where the sign will be placed.

  • For doors, consider the clear space beside or on the door at eye level (usually around 1400–1600mm from the floor).

  • For walls or corridors, make sure the sign fits neatly and remains visible without obstruction.

  • For outdoor applications, choose larger sizes with UV-resistant finishes for better durability and visibility.

5. Think About Design and Customisation

If you’re creating a customisable sign, factor in elements like logos, icons, and text.
Adding more visual elements may require extra space to maintain readability and balance. A cluttered sign can quickly lose its impact, so choose a size that allows your design to breathe.

6. Ask for Professional Guidance

If you’re still unsure, our team is here to help.
At [Your Business Name], we specialise in Braille, statutory, and customisable signs, and we’ll guide you through choosing the right size and layout for your needs. From small compliance signs to large business displays, we’ll ensure your signage is functional, compliant, and perfectly sized for your space.

Final Tip

A well-sized sign isn’t just about looks; it’s about clarity, compliance, and communication. Taking a few minutes to choose the right dimensions will ensure your message is seen and understood exactly as intended.