I've built this desk twice. It costs me ~$100 USD in materials:

And here is my version of the desk:

You can adjust it, but it is a little difficult. However, you can fit a modified treadmill under it as you can see in this video of me using the desk. I'm able to type comfortably while walking at 2.2 MPH.

If I may presume that the reason you want a height-adjustable desk is so you can sometimes sit and sometimes stand ( or walk!), then take the idea of height-adjustable and flip it on its head. Just buy a tall chair instead. (I only have a stool at the moment):

I have a height adjustable desk at work ( not ghetto'ized, like my home version). The linear actuators for my desk come from LINKAK:

Answer from Ross Rogers on Stack Exchange
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Family Handyman
familyhandyman.com › home › house & components › rooms › home office
How to Make Your Own Adjustable DIY Desk (DIY) | Family Handyman
April 28, 2025 - This customized DIY desk provides comfort whether you prefer sitting or standing. Finding yourself in need of a work-from-home space lately? Follow our step-by-step instructions and learn how to make a sturdy, adjustable desk that can accommodate you whether you prefer to stand or sit while working.
People also ask

How Tall Should a Standing Desk Be?
The height of your DIY adjustable standing desk should be such that your monitor’s screen is within your eye level. It should not be more than 2-3 inches above your eye level.
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autonomous.ai
autonomous.ai › ourblog › how-to-make-a-standing-desk-10-diy-ideas
10 DIY Standing Desk Ideas & Step-By-Step Guide
Are DIY Standing Desks Ergonomic?
DIY adjustable standing desks are ergonomic. However, if you wish to judge whether a standing desk do it yourself is ergonomic or not, check for the features that it offers.
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autonomous.ai
autonomous.ai › ourblog › how-to-make-a-standing-desk-10-diy-ideas
10 DIY Standing Desk Ideas & Step-By-Step Guide
How Long Should You Stand with a Standing Desk?
Although everyone recommends active sitting where you should stand while working as well, ensure that you do not stand for too long, as that can be equally harmful. You are advised to stand for around 15-30 minutes per hour.
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autonomous.ai
autonomous.ai › ourblog › how-to-make-a-standing-desk-10-diy-ideas
10 DIY Standing Desk Ideas & Step-By-Step Guide
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The Spruce
thespruce.com › diy-standing-desks-5085501
11 DIY Standing Desks You Can Build Today
November 1, 2024 - This DIY standing desk has you build a platform to set on top of an existing standard desk, turning it into a standing desk. The platform has room for a monitor and a laptop. There's also a built-in shelf for a keyboard and mouse. Adjustable Standing Desk for Under $25 from Code Over Easy, Free
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Autonomous.ai
autonomous.ai › ourblog › how-to-make-a-standing-desk-10-diy-ideas
10 DIY Standing Desk Ideas & Step-By-Step Guide
March 1, 2023 - The desk can be adjusted to any height through the shuffling of the piping around. Building an industrial steel pipe DIY standing desk offers a robust and unique workspace solution with a distinct industrial aesthetic.
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Desky
desky.ca › home › news › news
DIY Standing Desk Ideas - Desky Canada
December 30, 2020 - You can adjust the height, place different objects on the desk surface, and conduct testing for stability. You can create one by yourself, but it may not offer as much stability as a professionally manufactured standing desk. This is why you must ensure that your project is stable and offers durability over a long period of time. Since you are not a professional standing desk manufacturer, your DIY desk plans may lack plenty of adjustment options that are necessary for an adjustable standing desk.
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Yaasa
yaasa.com › home › yaasa blog › yaasa blog
Build your own height-adjustable desk: Your DIY standing desk
August 14, 2023 - But you can't find a suitable desk for you on the market or you simply want to give free rein to your creativity and design a sit-stand desk entirely according to your own ideas? Then a self-built height-adjustable desk with an electric desk frame is the right choice! You can combine the table frame with a customized table top to create an office desk that suits your needs and style. In this blog post, we'll show you what you need if you want to build a height-adjustable desk yourself and how to put together your DIY desk step by step!
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Instructables
instructables.com › workshop › furniture
Electric Height Adjustable Desk : 6 Steps (with Pictures) - Instructables
May 27, 2022 - Electric Height Adjustable Desk: I really wanted a geek desk, but they're like 1,000 dollars. So I built my own for about 200 bucks (not including top). This is simply a regular desk that can rise up with a push of a button and turn into a standing desk. It takes about one minute t…
Find elsewhere
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Instructables
instructables.com › workshop › furniture
DIY Height Adjustable Desk : 8 Steps - Instructables
September 10, 2023 - To temporarily address this issue, I attached a portable laptop table to a 50”x27” plywood board and placed it on top of my desk. I was pleased with the height, and it provided a different experience for working while standing. Firstly, I noticed that my attention span increased, likely because my feet started to hurt after standing, and I wanted to finish my work quickly so I could sit down again. Secondly, I finished my work much quicker. In the meantime, I began searching for height-adjustable tables because I couldn't work standing for 10 hours a week indefinitely.
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Simplifiedbuilding
simplifiedbuilding.com › projects › building-an-adjustable-height-standing-desk
Building an Adjustable Height Standing Desk [Video] | Simplified Building
They can adjust the desk to suit each of their users, and they saved a ton of cash by building it themselves. Check out the pictures below for more details on Greenville Co-work's adjustable standing desk. If you need assistance, you can tap into our free project assistance.
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Worst Room
worstroom.com › home › furniture › the ultimate diy adjustable standing desk build guide
The Ultimate DIY Adjustable Standing Desk Build Guide - Worst Room
June 27, 2023 - Are you sure you need this desk to be adjustable? If you’re on a budget, and you really just want to try using a standing desk to see if you like it, you don’t need much more than a few milk crates and an old door to lay across them. In that case, it’s just a normal desk but taller. You can also use your existing desk, but with a box or something else on top to add some height for the monitor, the keyboard, and the mouse.
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Pinterest
pinterest.com › mumpuninababanoktaviani › diy-adjustable-standing-desk
100 Diy adjustable standing desk ideas to save today
diy adjustable standing desk kit, diy adjustable standing desk ikea, diy adjustable standing desk converter, diy adjustable standing desk plans, diy adjustable standing desk riser, diy adjustable standing desk conversion, diy adjustable standing desk reddit, diy adjustable standing desk top
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Progressive Desk
progressivedesk.ca › home › progressive products › creating a diy adjustable standing desk using trashed electronics
Creating a DIY adjustable standing desk using electronic waste – Progressive Desk - Canada
December 8, 2022 - By following a few steps and using the right supplies, Loren now has his very own DIY adjustable standing desk from trashed electronics! His custom tabletop combined with our adjustable legs for desks allows Loren to conveniently change the working height of his DREAM DESK at any given time.
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Davidgunter
davidgunter.com › 2020 › 07 › 23 › diy-electric-standing-desk
DIY Electric Standing Desk – Everyday Knosticism
To that end, I decided to build my own electric standing desk using a pair of 18-inch linear actuators I bought off eBay. These devices are 24 inches long and extend an additional 18 inches, powered off of a 12VDC power supply. They are attached to two leg units made up of 2×4 boards as shown ...
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Pinterest
pinterest.com › explore › diy and crafts › diy interior › diy furniture › adjustable height desk diy
Adjustable Height Desk Diy
Discover Pinterest’s best ideas and inspiration for Adjustable height desk diy. Get inspired and try out new things. ... DIY Standing Desks (You Can Make)!
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Core77
core77.com › posts › 41625 › scott-rumschlags-diy-motor-free-height-adjustable-standing-desk
Scott Rumschlag's DIY Motor-Free, Height-Adjustable Standing Desk - Core77
Though trained as an engineer, Scott Rumschlag quit his engineering office job after less than a year due to his "extreme dislike of sitting all day." Now that he's switched to building things for a living, it's unsurprising that he's built himself an adjustable standing desk. What is surprising
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Instructables
instructables.com › workshop › workbenches
DIY Command Center - a Rolling Adjustable Height Desk on a Budget : 8 Steps (with Pictures) - Instructables
December 14, 2020 - Cut the shelf board to your desired desk length(s), and screw the shelf brackets to the underside. Match the width of the brackets to the width of the shelf rails so that the brackets will slot into the rails. Screw the TV mount sideways to the 2x3 brace. Instead of articulating left and right as you would normally install it, the articulation will be up and down. This will be the height adjustment of the monitor from sitting to standing.
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Instructables
instructables.com › workshop › furniture
How to Build a DIY Standing Desk - With Smart Solutions! : 12 Steps - Instructables
February 6, 2024 - How to Build a DIY Standing Desk ... smart features. And the best thing? It's easy to build on your own! All you need is a drill and optionally a jigsaw....
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EFFYDESK
effydesk.com › home › news › diy standing desk table top: pairing your tabletop to a sit-stand desk frame
Standing Desk Table Tops: DIY Height Adjustable Desks Guide
April 24, 2021 - Find the perfect standing desk table top for your height adjustable desk frame. Compare wood and ergonomic options for office and home workspaces.
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Start Standing
startstanding.org › standing-desks › the-complete-guide-to-diy-standing-desks
The Complete Guide to DIY Standing Desks - Start Standing
July 12, 2023 - By combining a cheap IKEA side table with a shelf, you get an ergonomic two-level standing desk converter. The best part of this approach is being able to adjust the height of the shelf/keyboard tray to your height and ideal posture.