There are a minimum of six governing bodies in pro and amateur boxing. They all have varying weight classes and are too numerous to mention. See the attached link,
http://www.answers.com/topic/boxing-weight-classes
The average weight of a feather is - .00125 pounds.
None. A millimetre is a measure of length; weight would be measured in millinewtons.
one step below a light weight Immeasurable with any home scales.
The average weight of a feather is - .00125 pounds.
The answer depends on the bird and also what type of feather.
About 5 miligram
an average feather weighs about .4677790. --.4677790 what? Needs a unit of measurement!
oovER 9000 KG
Between six and seven pounds.
A single feather typically weighs less than a gram. The weight can vary depending on the size and type of bird the feather belongs to.
You can weigh any weight
220 pounds he mentions it in his song "the fighter".