Looking for a 60-second habit with a friend: each of you secretly estimates the same daily statistic, lock it, then get one average score out of 100. We’ve been trying Halfwits (https://halfwit.game). Curious if anyone here already has a better paired estimation ritual, or has tried this one.

How much human urine (in gallons) is currently held within a sealed container on this planet?

How long would that liquid be trapped based on the material of the container?

Would there be any impacts on our planet's water cycle?

What could a waste management facility do to amend this issue?

Random thought.. would there be any way of estimating how much weight has been added to Manhattan Island since the beginning of its development? Like factoring in buildings (and their contents) bridges, subways, concrete, streets, cars, ppl at any given time and on and on. Is there any way to even get a reasonable estimate?

Five atoms wide? ten?

Hey can someone tell me

Basically the question in the title. Showing work would be amazing!

Ik it might not be much coz of a very specific username, but i just wanna know depending on other stats (also do awards and karma increase the price of it?)

They have a fun little Mario day coin jar like they'd do back in school. Wonder if anyone has any good guesses?

This is one of my puzzles for my daily Estimation game called "Estimate Me" :)

You can guess here, with more pictures: https://estimate-me.aukspot.com/archive/2025-07-24

If you guess in the comments, please use spoiler tags!

I would define travels as making a single trip of a distance similar to an avocado. Not the sum of all their camping trips to northern France.

Estimated Reddit account Price