The door frame varies a bit in Europe also
Just measured mine and it is 2.05 m high. So 2 m goes through with a decent clearance

Actually 2 by 2 meters and 5 kilograms is set because they are all nice round numbers.
As you Americans use your own measurement system instead of international one the limits end up being not round ones:
78.74" by 78.74" and 11.02 lb (rounded to 2 decimals).

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