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Comment by mkagenius | Hacker News Reader

10k steps is a lot for me too.

10k for a hamster will be way more than 10k steps too!

To be fair, root comment only says "mice will run 10k a day" but it isn't 100% clear what that 10K actually refers to, could be steps, could be meters.

My physics teacher always assumed it was potatoes when the SI-unit was missing

In the running context, a 10K means 10 kilometres.

That's awfully European of you, what if the mice are from the US?

Means the same thing here.

“I ran a 3.1mi this morning and I feel awful!”

No, distance events are still referred in kilometers in the US.

US runners also typically train for kilometer races at distances shorter than half marathon.

I've even seen a few 50Ks.

It's 10km, which is a lot more than 10k steps.

Not by much. A mile is 1000 paces, or 2000 steps [0]. 10000 steps is 5 miles, 10km is 6.2 miles.

Walking on flat, paved surfaces, I do about 1850 steps per mile of distance[1]. I have a pretty long inseam, so I'm not surprised that I'd be under 1000 paces. Given that roads weren't paved with concrete or asphalt until relatively recently, I'm not surprised that the Roman mile is a little shorter than our current one[2].

[0] https://en.wikipedia.org/wiki/Mile#Name

[1] Garmin watch

[2] https://en.wikipedia.org/wiki/Mile#Roman

most mice require more steps per mile of distance

So one step is a little over half a meter. That doesn't sound like a hampster's stride.

I know, god forbid someone cracks a joke on HN

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