You'll find a lot of confident numbers on this. Some say 15 minutes an hour. Some say a 1:1 ratio. Some say four hours a day. They can't all be right, and most of them are quoting each other.
Here's the more useful answer: the ratio matters much less than the switching.
Why the exact number is the wrong question
Standing all day isn't the goal, and it isn't better than sitting all day. It's a different fixed position with a different set of costs. People who stand at a desk for six hours straight tend to discover their feet, calves and lower back have opinions about it, usually around day three.
What appears to matter for comfort is changing position regularly — not which position you spend more time in.
That reframes the question. Instead of "how long should I stand", the question becomes "how often should I change". And that has a much more practical answer: often enough that you never settle into one shape for long.
A starting point that actually works
If you're new to a sit-stand desk, the most common mistake is enthusiasm. Week one, people stand for three hours because it feels virtuous. Week two, their feet hurt and the desk stays down permanently.
A gentler pattern that people tend to stick with:
- Start with 15–20 minutes standing per hour, not more
- Build up over two to three weeks if you want to
- Switch when you notice you've stopped moving — shifting weight, fidgeting and small position changes are the point, and when they stop, it's time to change
- Sit back down before you're uncomfortable, not after
The last one is the part people skip. If you stand until it hurts, your body learns that standing hurts. If you sit down while it still feels fine, the desk stays up next time.
What most people get wrong in week one
Standing still is not the win. Standing motionless at a desk is closer to sitting motionless than most people expect. If you're going to stand, shift your weight, move your feet, take a step. A footrest or a low box to alternate one foot onto helps more than it sounds like it should.
Shoes matter more than at a sitting desk. Hard floors plus flat shoes for two hours is a real load on your feet and calves. An anti-fatigue mat is the usual fix. Slippers are not.
Your monitor height needs to change too. This one catches almost everyone. The screen height that's right when you're sitting is too low when you're standing — so people stand up, look down at the screen, and hold their head forward. Standing with your head forward is not an improvement on sitting with your head forward.
If your desk goes up and down but your monitor is fixed to the desk, the geometry moves with you and you're fine. If your monitor is on a stack of books, you'll need a second stack for the standing height, or an arm that adjusts.
The sitting-height version of the same problem — and the order we would fix the rest of the setup in — is in desk setup for neck and shoulder comfort.
Where the desk isn't the answer
If you don't have a sit-stand desk and aren't about to buy one, you can get most of the benefit for nothing.
Get up every 30–45 minutes for ninety seconds. Not a workout. Stand, walk to the kitchen, look at something more than two metres away, roll your shoulders, sit back down.
That single habit does most of what a standing desk does, because what a standing desk is really giving you is a reason to change position. The desk makes it easier. It doesn't make it happen — plenty of sit-stand desks spend their lives in the sitting position.
Take calls standing. It's the easiest trigger to remember because it's already an interruption.
If your upper back feels tight rather than just stiff by the end of the day, that is worth handling on its own — carefully, not aggressively. See how to foam roll your upper back without making it worse.
A note on what standing desks don't do
Sit-stand desks are often sold on health outcomes — weight, energy, longevity. The evidence there is far weaker and more contested than the marketing suggests, and we're not going to repeat claims we can't stand behind.
What we'd say with confidence is narrower and, honestly, more useful: changing position regularly through a working day is more comfortable than not changing it, and a sit-stand desk makes changing position easy. That's a reasonable thing to buy. It just isn't a health intervention, and anyone selling it to you as one is ahead of what's actually known.
The short version
- There is no correct ratio. Switching often beats any particular split
- 15–20 minutes standing per hour is a sensible place to start
- Sit down before you're uncomfortable, not after
- Move while standing — weight shifts, a footrest, a step
- Raise your monitor when you raise your desk, or you've swapped one forward-head position for another
- No desk? The 30–45 minute break does most of the same job, and costs nothing
When it's not a setup question
If discomfort is sharp, persistent, wakes you at night, follows a specific injury, or comes with numbness or weakness, a desk guide isn't the right tool. That's worth raising with a GP or physiotherapist, and worth doing sooner rather than later.
Untense publishes practical guides on posture, desk setup and mobility for people who work seated.