Is 489.450 monme (匁) as heavy as a Can of Soup?
It's about five times as heavy as a Can of Soup
The weight of a Can of Soup is about 93 monme (匁).
(for Campbell''s Condensed Tomato Soup, 317.9 ml)
A can of Campbell''s Tomato Soup weighs 93 monme (匁). Cans have been used to store soup and other foods since their invention in 1913, but a dedicated can opener was not developed until cans began to use thinner materials — prior to that time, cans were usually opened using various blunt instruments and tools.
There's more! See other comparisons to 489.450 monme (匁)...