We have not physically tested every unit here. This comparison is built from published manufacturer specifications, independent measurements we cite, and aggregated owner reports. How we test
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Standing desks are marketed on health claims that are, for the most part, weaker than the marketing implies. That does not make them a bad purchase. It makes the reason to buy one different from the reason usually given.
The claim that does not hold up
Calorie expenditure. The difference between sitting and standing is small enough that it does not accumulate into anything meaningful across a working day. “Sitting is the new smoking” is a slogan, not a finding, and the studies behind the underlying concern are about total daily sedentary time — which is not addressed by standing in the same spot instead of sitting in it.
The benefit that does hold up
Postural variety. The consistent, well-supported point in the ergonomics literature is that sustained static posture is the problem, whichever posture it is. Standing for eight hours produces its own complaints — foot pain, lower back fatigue, varicose discomfort — and is not an improvement on sitting for eight hours.
A sit-stand desk is valuable because it makes changing position easy, not because standing is inherently superior.
What standing genuinely costs
Standing on a hard floor for extended periods is uncomfortable and, for some people, produces more problems than the sitting it replaced. An anti-fatigue mat addresses much of this and is a cheap addition. Footwear matters more than people expect.
The honest summary
A sit-stand desk is a reasonable purchase for postural variety and for the subjective comfort benefit many people report. It is not a health intervention, it will not affect your weight, and if you buy one and leave it at a single height you have bought an expensive fixed desk.
Questions people ask
Do standing desks burn meaningfully more calories?
No. The measured difference between sitting and standing is small — on the order of a few calories per hour — and it does not accumulate into anything nutritionally significant over a working day. Standing desks are sold on this claim frequently and it does not hold up. If weight management is the goal, a standing desk is not the intervention.
So is a standing desk worth buying at all?
The defensible benefit is postural variety rather than standing itself. Holding any one position for eight hours is the problem, and a desk that lets you change position removes that constraint. Many people also report less afternoon discomfort and stiffness when they alternate. That is a real benefit; it is just a different one from the calorie claim.
How long should I stand for?
There is no established optimal ratio, and anyone quoting a precise one is overstating the evidence. A reasonable practical approach is to change position when you notice discomfort rather than on a timer, and to build up gradually — standing all day from day one usually produces foot and lower-back complaints that put people off entirely.
