Standard Desk Height
The 29-inch standard suits people around 5 ft 10. Not everyone.
Compiled by DIY Repair Guide · reviewed 2026-09-05 ·how we research these
The standard desk height in North America is <strong>29 to 30 inches</strong> from floor to work surface. That figure is not the result of ergonomic research. It descends from mass-produced office furniture built to one size, and it fits someone around five foot ten reasonably well.
Most people are not five foot ten. If your shoulders ride up while you type, or you rest your wrists on the desk edge, the desk is probably the problem rather than your posture.
The Standard Figures
These are the conventions furniture is manufactured to, seated and standing.
| Surface | Standard height | Common range |
|---|---|---|
| Office desk, seated | 29–30 in | 28–30 in |
| Writing or dining table | 30 in | 28–30 in |
| Keyboard tray below a desk | 25–27 in | 24–28 in |
| Standing desk, typical adult | 42–44 in | 38–50 in |
| Drafting or drawing table | 36–40 in | 34–44 in |
| Adjustable sit-stand range | 22–49 in | varies by model |
The Right Height for Your Height
The ergonomic target is straightforward: with your feet flat on the floor and your upper arms hanging relaxed at your sides, your forearms should be roughly parallel to the floor, elbows at about 90 degrees, with your wrists straight rather than bent up or down.
Measure from the floor to the underside of your elbow while sitting like that. That number is your ideal keyboard height, which is what actually matters.
| Your height | Seated desk / keyboard | Standing desk |
|---|---|---|
| 5 ft 0 | 23–24 in | 36–37 in |
| 5 ft 4 | 24–25 in | 38–40 in |
| 5 ft 8 | 25–26 in | 41–43 in |
| 6 ft 0 | 27–28 in | 44–46 in |
| 6 ft 4 | 29–30 in | 47–49 in |
Notice that almost every figure in the seated column is below 29 inches. The standard desk is too tall for most adults, which is why keyboard trays exist at all. They were the retrofit for a surface height that was already wrong.
Keyboard Height, Not Desk Height
The single most useful reframing: your body cares where the keyboard sits, not where the desk sits. A 29-inch desk with a keyboard tray at 26 inches is ergonomically a 26-inch desk.
This also explains why raising the chair is the wrong first move for most people. Raising the chair to meet a tall desk lifts your feet off the floor, which shifts your weight onto the backs of your thighs and creates a different problem. If you raise the chair, you need a footrest.
The order that works: set the chair so your feet are flat and your thighs are level, then bring the keyboard to your elbow height, then set the monitor so the top of the screen is at or just below eye level.
Fixing a Desk That Is the Wrong Height
Lowering is harder than raising, which is unfortunate because lowering is what most people need.
- A keyboard tray is the cheapest real fix for the most common problem. Look for one with tilt adjustment so you can set a slight negative angle, which keeps wrists straighter than a flat tray.
- Cutting legs down works on a solid-wood desk. Measure four times, cut all legs from a single marked reference, and check for square afterwards.
- Risers must be stable. Anything raising a desk more than a couple of inches on narrow legs gets wobbly, and a wobbling desk is worse than a slightly short one.
| Problem | Fix | Rough cost |
|---|---|---|
| Desk too tall | Under-desk keyboard tray | $30–120 |
| Desk too tall | Raise the chair, add a footrest | $25–80 |
| Desk too tall, fixed legs | Cut the legs down | free, irreversible |
| Desk too short | Furniture risers under the legs | $15–40 |
| Desk too short | Replace legs with adjustable ones | $40–150 |
| Want both seated and standing | Desktop converter on the existing desk | $120–400 |
| Want both, properly | Electric sit-stand frame | $250–800 |
Standing Desks
For standing, the same elbow rule applies: forearms parallel to the floor, wrists straight, shoulders relaxed rather than shrugged. That typically lands at 42 to 44 inches for an average adult, which is roughly hip to lower-rib height.
The monitor is the part people get wrong when standing. Standing raises your eye level more than it raises your hands, so a monitor that was correct seated is usually too low standing, and you end up looking down, which is precisely the neck posture the standing desk was meant to avoid. A separate monitor arm solves it. A converter that lifts keyboard and screen together usually does not.
Worth saying plainly: standing all day is not better than sitting all day, it is a different set of problems. The benefit comes from alternating, and most guidance suggests changing position every half hour or so rather than committing to either.
If a desk height change makes existing wrist, shoulder or neck pain worse rather than better, stop adjusting and get it looked at. Persistent symptoms are not a furniture problem to solve by trial and error.
The Rest of the Setup
Desk height is one dimension among several, and the others are what make it work.
- Monitor distance: roughly arm's length, 20 to 30 inches from your eyes.
- Monitor height: the top of the screen at or slightly below eye level, so your gaze runs slightly downward.
- Knee clearance: at least 24 inches wide and 24 inches deep under the desk, and more if you shift position often.
- Thigh clearance: at least 2 inches between the top of your thighs and the underside of the desk. A thick desktop or a deep apron rail eats this.
- Chair seat depth: two to three fingers of gap between the seat edge and the back of your knees.
- Feet: flat on the floor or on a footrest, never dangling.
Common questions
What is the standard desk height?
29 to 30 inches from the floor to the work surface in North America. It suits someone around five foot ten, and it is too tall for most adults, which is why keyboard trays exist.
How high should my desk be for my height?
Sit with your feet flat and your upper arms relaxed at your sides, then measure floor to the underside of your elbow. That is your ideal keyboard height. For most people it is between 24 and 28 inches, below the standard desk surface.
How tall should a standing desk be?
Typically 42 to 44 inches for an average adult, set so your forearms are parallel to the floor and your shoulders relaxed, roughly hip to lower-rib height. Remember to raise the monitor too, or you will end up looking down.
Is 30 inches too high for a desk?
For most people, yes, if the keyboard sits directly on it. Anyone under about five foot ten will be typing with slightly raised shoulders. A keyboard tray or a raised chair with a footrest fixes it.
Should I raise my chair or lower my desk?
Lower the keyboard if you can, because raising the chair lifts your feet off the floor and moves the problem to your thighs and lower back. If you do raise the chair, add a footrest so your feet stay supported.