Skip to content

HDMI Cable Length – How Long Can an HDMI Cable Be?

Hey there! Some links on this page are affiliate links which means that, if you choose to make a purchase, I may earn a small commission at no extra cost to you. I greatly appreciate your support!

Last Updated on 2 years by On Trends Gear

The High-Definition Multimedia Interface HDMI Cable Length interface has quickly replaced analogue audio/video (AV) connections as the mandated standard for home theatres, public address systems, and other AV applications. 

Having a long HDMI cable is useful for several reasons.

 However, is there a maximum allowed length for an HDMI cable? All you need to know will be discussed in this post.

Table of Contents

Why Does The Length of The HDMI Cable Matter?

Why Does The Length of The HDMI Cable Matter

Nowadays, almost everyone uses HDMI, or High Definition Multimedia Interface, as their display’s connection type. 

It finds use in fields as varied as televisions, computer screens, and even electronic art. 

Audio and video may be sent from one device to another via a single HDMI connection.

A wide range of HDMI cable lengths is commercially available. The range in size is rather large, with some being only a foot or so long and others several meters. 

However, there’s no definitive answer for how long an HDMI cable may be.

 The official HDMI specification makes no recommendations for cable length. Any length is acceptable for an HDMI cable so long as it can transmit the signal between its ends.

However, HDMI cables are subject to the same physical constraints as any other object. 

In this way, an HDMI cable acts as a barrier to any digital transmission. The conductor material and cable gauge are the two most crucial variables in determining the overall resistance.

Because of this, there is a maximum HDMI Cable Length that may reach before the signal begins to deteriorate, causing distortions in the visual or audio output to appear. 

There won’t be any issues like that with wires from a trustworthy company since they won’t make them long enough.

Deciding the Ideal Length for an HDMI Cable

Cables of the HDMI variety are limitless in their potential.

 Manufacturers can make a cable that is longer than 50 feet in case a user has to run it around the home to connect a player and a television. 

True, but who wants that? Among all wires, that has to be one of the least useful ones.

However, 20 feet is generally agreed upon as the maximum length of an HDMI connection to maintain audio and visual quality.

 If you go for a longer one, it can ruin your viewing experience.`

To what end does a distance of 20 feet serve? Surely that’s too much to read! If your space is limited, it will be apparent how lengthy it is. 

You may get by with a shorter wire to link your gadgets. However, the maximum “manageable” distance for signal transmission is just 20 feet.

 Keep to shorter HDMI cords if you don’t require one this long. In this case, the shorter your HDMI cable is, the better the audio and visuals will be.

How Can You Extend The HDMI Length?

If you have chosen to use a longer HDMI for your connection but the cable’s length is reducing the quality of the signal, you can take measures to improve the transmission range.

Use A Signal Booster

4K2K 1080P 3D HDMI Booster, JerGO HDMI 2.0...
580 Reviews
4K2K 1080P 3D HDMI Booster, JerGO HDMI 2.0...
  • Supports HDMI 2.0 and backwards compatible with HDMI 1.x version. Supports serial...
  • Mini portable size HDMI amplifier. Plug and play,no extra power supply needed. (this...

To improve the quality of your HDMI signal, you can purchase a device known as an HDMI signal booster, sometimes called an HDMI repeater.

 This gadget does little more than pump extra energy into the connection, therefore amplifying the digital signal. 

The gadget fortifies digital HDMI transmissions. They accept and send HDMI signals and include a micro-USB connector for external power.

First, you connect the signal booster to an electrical outlet, and then you connect an HDMI cable to either end. Cables’ effective length can be extended by the use of these signals.

One thing to keep in mind is that you need to install them in an area where the signal is still strong; they won’t be able to improve a weak one.

 There is some variation in the repeaters’ range of 10–15 meters.

Make Use of HDMI to Cat5 or Cat6 Adapters

Mediabridge Ethernet Cable (10 Feet) -...
2,580 Reviews
Mediabridge Ethernet Cable (10 Feet) -...
  • CAT6 / CAT5e: Supports both Cat6 and Cat5e applications. The RJ45 connector used for...
  • CAPABILITY: Mediabridge Cat 6 cables can support up to 10 Gigabits per second (10...

Cat5 or cat6 cables can also be used to extend an HDMI connection. 

Due to the necessity for two Cat cables to carry the signal from a single HDMI connection, this is not the optimal solution. 

The result is a mass of wires. Only if you had unused Cat cables laying around would we suggest doing this.

However, you may get an HDMI to Cat adaptor if you need to transmit an HDMI signal through Cat wires.

 It takes two lengthy Cat cables and some finagling to get it functioning, but it is possible.

Fibre Optic HDMI Cables

Amazon Basics High-Speed Fiber Optic HDMI...
  • High-speed 30AWG fiber optic cable for transmitting video and audio signals via HDMI...
  • Connects Blu-ray players, Fire TV, Apple TV, PS4, PS3, XBox one, Xbox 360, computers...

Typical copper HDMI cables have several drawbacks, including a short transmission range and signal degradation with increased cable length. 

But there’s another HDMI cable that uses fiber optics.

The technology is very dissimilar. Copper in standard HDMI connections transfers electricity, whereas fiber optic cables carry light. 

Of the two, your judgment as to which can carry more data is probably already correct.

Digital data may be sent significantly farther with active fiber optic HDMI (AOC) connections, which also provide superior shielding from environmental noise.

 In addition to being easier to install and handle than rigid HDMI connections, the cables’ flexible wires are a major selling point.

Reports indicate that over equivalent distances, transmissions through fiber optic cables are clearer and more colorful than those over conventional copper connections. 

There is often substantially more strength and headroom in fiber-optic HDMI transmissions.

How Long Can an HDMI Cable Made of  Fiber Optics Be?

How Long Can an HDMI Cable Made of  Fiber Optics Be

Most stores only sell fiber optical HDMI cables in predetermined lengths, anything from 3 feet to 200 feet, making it impossible to determine an exact maximum range.

 Even while technically fiber optic connections may go for miles (perhaps even up to 60 miles), most manufacturers do not provide HDMI cables of such a great length.

 In most cases, there is negligible signal degradation when using HDMI over fiber optic cabling.

Compared to standard HDMI cables, which experience difficulties after 50 feet, this one has a far greater effective range. 

The finest, if pricey, option for a lengthy HDMI cable run is fiber optic.


In general, an active fiber optic HDMI cable is your best choice if you need to extend the reach of your HDMI signal across great distances. 

If that is not an option, you can utilize multiple HDMI cables linked together using HDMI repeaters.

Keep in mind that flawless performance shouldn’t be expected at really great distances.

 Even if the graphics are fine, you may be plagued by input latency and other problems. In most cases, it shouldn’t be an issue when viewing media.

Last update on 2023-10-09 / Affiliate links / Images from Amazon Product Advertising API

Share This