Meet HORIZON Ultra - Your Private Theater with Dolby Vision Awaits! Learn More

Shipping Now Available to Korea, Thailand, Vietnam, Indonesia, Cambodia, Philippines, and Brunei! Learn More >>


What Is the Throw Distance for a Projector?

By XGIMI Tech - 2024-4


Understanding the fundamentals of projector specifications is essential for creating an optimal viewing experience. One crucial aspect to consider is the throw distance, which is pivotal in determining the image size and quality. This blog post will delve into three critical aspects of throw distance and projectors.

What is Throw Distance?

Throw distance refers to the distance between the projector lens and the screen where the image is displayed. This distance is critical in ensuring the projected image appears sharp and well-defined. Throw distance is typically measured in feet or meters and can significantly impact the overall performance of a projector in various settings, such as home theaters, classrooms, or conference rooms.

Throw distance differs in terms of different distance between the projector lens and the screen.

What is the Throw Ratio for a Projector?

The throw ratio is a numerical representation of the relationship between the projector's throw distance and the width of the projected image. It is expressed as a ratio, such as 1.5:1 or 2:1. The throw ratio is calculated by dividing the throw distance by the image width. For example, a projector with a 2:1 throw ratio will need a distance of 2 feet for every 1 foot of image width. Understanding the throw ratio is crucial when selecting a projector, as it determines how far or close the projector needs to be placed to achieve the desired screen size.

● Long Throw Projector

When the throw ratio is greater than or equal to 1, the projector is called a long throw projector.

● Short Throw Projector

When the throw ratio is less than 1 and more than 0.4, the projector is called a short throw projector.

● Ultra Short Throw Projector

When the throw ratio is less than 0.24, the projector is called an ultra short throw projector.

How Does Throw Distance Affect Image Size?

The throw distance directly influences the size of the projected image. Projectors with shorter throw distances produce smaller images, while those with longer throw distances create larger images. This relationship is vital for users to consider when planning the layout of their projection setup. Additionally, matching the projector's throw ratio with the desired screen size is essential to avoid distortion or image quality issues. By carefully adjusting the throw distance, users can achieve the perfect balance between screen size and image clarity, ensuring an immersive and enjoyable viewing experience.

Recommended XGIMI Projectors With Ideal Throw Ratios For Excellent Viewing Experience

XGIMI HORIZON Ultra, XGIMI HORIZON Pro, AURA, and Halo+ provide ideal throw ratios and are fit for home theater setup with the following incredible features.

Product Resolution Throw Ratio Image Size Type
HORIZON Ultra 3840*2160 pixels 1.2-1.5:1 40"-200" long throw
HORIZON Pro 3840*2160 pixels 1.2:1 40"-200" long throw
HORIZON 1920*1080 pixels 1.2:1 40"-200" long throw
AURA 3840*2160 pixels 0.233:1 80"-150" ultra short throw
Halo+ 1920*1080 pixels 1.2:1 40"-200" long throw
MoGo 21280*720 pixels 1.2:1 40"-200" long throw
MoGo 2 Pro 1920*1080 pixels 1.2:1 40"-200" long throw
Elfin 1920*1080 pixels 1.2:1 40"-200" long throw


In conclusion, understanding throw distance and the associated throw ratio is crucial for maximizing the performance of a projector. Whether setting up a home theater or configuring a multimedia system in a business environment, the right combination of throw distance and throw ratio can significantly impact image size and quality. By considering these factors, users can make informed decisions when selecting and installing projectors, ultimately enhancing the overall visual experience.

Projector Recommendations


HORIZON Ultra, the world's first 4K long-throw home projector with Dolby Vision. 2300 ISO lumens, Dual Light Technology, Dual 12W Harman Kardon Speakers.



  • 4K with Dolby Vision
  • 2300 ISO Lumens
  • Dual Light Technology
  • Intelligent Screen Adaption 3.0
  • Dual 12W Harman Kardon Speakers
Learn More

Next-level 4K with Dolby Vision

With 2300 ISO lumens, you get the best of both worlds—ultra-high brightness plus realistic color both night and day.

Lossless Zoom

A New Era of Environmental Adaptability

2300 ISO Lumens

Ultra-high brightness

Enjoy $10 off Your Next Purchase

Join the XGIMI Community Today!