Choosing the correct sizes or dimensions of billboard design is one of the most important factors in creating an effective outdoor advertisement. When you’re designing a roadside billboard, rooftop sign, unipole billboard or digital LED billboard, using the right dimensions will help ensure your message can be seen from a distance and your graphics stay crisp and impactful.
The size of billboards in Bangladesh depends on its location, purpose of advertisement, municipal rules, and the structure of the installation. Any business, designer or advertiser who wants to put together a professional advertising campaign that grabs the most attention needs to know the standard billboard dimensions.
Billboard Design Sizes or Dimensions
Why Billboard Sizes Matter
Billboard size directly relates to how readable and visible it is. A properly-sized billboard allows drivers and pedestrians to quickly read the message and provides an attractive visual appearance.
Benefits:
- Improved visibility over long distances
- Higher brand awareness
- High quality image resolution
- Easier content arrangement
- Advertising’s greatest effect
- look professional
- Low cost manufacturing
Standard Billboard Design Sizes
Below are some of the most commonly used billboard dimensions in Bangladesh.
| Billboard Type | Standard Dimensions |
|---|---|
| Small Billboard | 8′ × 4′ |
| Medium Billboard | 10′ × 5′ |
| Standard Billboard | 12′ × 8′ |
| Large Billboard | 16′ × 8′ |
| Roadside Billboard | 20′ × 10′ |
| Highway Billboard | 30′ × 10′ |
| Premium Billboard | 40′ × 20′ |
| Rooftop Billboard | Custom Size |
| Unipole Billboard | Custom Size |
| LED Digital Billboard | Custom Resolution |
Common Billboard Aspect Ratios
Most billboard designs follow common aspect ratios such as:
- 2:1
- 3:1
- 4:1
- 16:9 (Digital LED Billboard)
- Custom Ratio
Using the correct aspect ratio prevents image distortion during printing.
Suggested Design Resolution
Designers typically use the following for large format billboard printing:
- 150 DPI at full size 72 DPI
- CMYK color mode PDF, AI, EPS, PSD, TIFF
- Vector logos for the best readability
- Large pictures
Because billboards are seen from a distance, they generally do not need a very high DPI.
Current Billboard Styles
Road side Signage
They are positioned next to highways and busy roads for maximum exposure.
Roof Billboard
Installed on commercial buildings to improve visibility in the vicinity.
Unipole Sign
A large single pole advertising structure for major intersections and highways.
LED Digital Signage
Plays animated ads and videos and rotating promotional content.
Billboard on Wall
Attached to the walls of buildings for advertisement in cities.
Billboard Gantry
Placed along major roads and expressways for high-traffic visibility.
Tips for Billboard Design
A good billboard has to get its message across in just a few seconds.
Best practices include:
Use big bold type
- Short text
- Include one strong image
- Use colors with high contrast
- Put the logo in a prominent place
- Add a Clear Call-to-Action
- Show only essential contact information
- Don’t overfill the design
Billboard Printing Materials
Popular materials include:
- Flex Banner
- PVC Vinyl
- Frontlit Flex
- Backlit Flex
- ACP Panels
- Aluminium Frames
- MS Structure
- LED Modules
- UV Printed Vinyl
The choice of material depends on the billboard’s location, weather exposure, and lighting requirements.
Frequently Asked Questions (FAQs)
What is the size of a normal billboard?
The most common billboard sizes are 12’x8’, 20’x10’, 30’x10’ and 40’x20’ The “ideal” size depends on where you are putting it and what your advertising goals are.
What should the resolution of my billboard design be?
Design in actual size at 72-150 DPI, in CMYK color mode, with high quality images and vector graphics.
What is the best file type to print on billboards?
Most billboard companies accept the following file formats for professional billboard production: PDF, AI, EPS, PSD and TIFF.
“What is the best size for a highway billboard?
Highways generally use large formats like 30’ x 10’ or 40’ x 20’ because of the great visibility they offer from a long distance.
Conclusion
Choosing the right billboard design sizes or dimensions is key to creating eye-catching outdoor advertising that gets results. Whether it’s a small roadside sign or a large digital LED billboard, choosing the right size, resolution and design layout will ensure your advertisement remains clear, professional and highly visible. If you are planning a commercial billboard, rooftop installation or highway advertising campaign in Bangladesh, following the standard billboard dimensions and design guidelines will help to maximize your brand’s impact.
