[Majestic121]

400 calories is a half hour running, for comparison. I think you'd be closer to 100-150 calories, as standing does not consume much (not saying it is not unpleasant, but as energy consumption go, it's pretty negligible) and walking consume way less than running.

It's always good exercise, and probably helped to look slimmer. However, as other mentioned, losing weight via exercise is not that easy, and a good diet is way more important