# How To Determine a Kilogram

**URL:** <https://boards.straightdope.com/t/how-to-determine-a-kilogram/758828>\
**Category:** Factual Questions\
**Created:** [June 30, 2016, 9:17pm UTC](https://boards.straightdope.com/t/how-to-determine-a-kilogram/758828 "2016-06-30T21:17:59Z")\
**Posts on this page:** 1\
**Showing post:** 73

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**Author:** ![mikecurtis](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/mikecurtis/32/3284_2.png) [@mikecurtis](https://boards.straightdope.com/u/mikecurtis)\
**Post date:** [November 3, 2018, 9:50pm UTC](https://boards.straightdope.com/t/how-to-determine-a-kilogram/758828/73 "2018-11-03T21:50:08Z")

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> [@Whack-a-Mole](#):
>
> Surprised this hasn’t been posted yet. Here is a great video describing this whole thing: [Veritasium - The World’s Roundest Object](https://www.youtube.com/watch?v=ZMByI4s-D-Y)

I did in a different thread

> [@Is there a standard for temperature similar to those for length, mass, etc.?](https://boards.straightdope.com/t/is-there-a-standard-for-temperature-similar-to-those-for-length-mass-etc/814585/48):
>
> here’s an [interesting video](https://www.youtube.com/watch?v=ZMByI4s-D-Y) on trying to change the definition on a kilogram, so it no longer relies on the vagaries of a physical object.

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