When I started riding lessons as a re-rider, I realized that I didn’t have a good visual estimate sense of distances. Doesn’t matter if they are in metres or feet
it’s hard for me to look at a distance and say what it measures. I didn’t grow up with any kind of standard sized arenas, or jump lessons counting poles. And we kept our horses in odd little backyard padoocks, so I didn’t get an eye for the size of acreage.
Same issue with home decorating. I can’t look at my living room, go to the store, and pick up the right sized carpet or sofa. Can anyone? I need to measure the room, measure the furniture. I can’t look at a room, a stall, a field, and reliably say how big it is. Though I am trying to stock pile some visual “measurement memories” in my mind, and that helps. That’s what an 11 by 11 foot stall looks like, that’s what a 20 acre property looks like, etc.
Interesting, I think 20 metre circle, but just know it’s the full circle in the arena, and 10 metres is half that.
When I think about rooms, stalls, acreage, I’m using imperial not metric.
I’m actually always amazed when I realize that a 20 metre circle is 65 feet across, because it doesn’t look that big IRL. A 65 foot wide indoor arena always feels a bit tight and enclosed to me, but when I had a 17 foot wide living room (old-style Baltimore row house) it seemed enormous! Horse dimensions and human dimensions are just so different.