How much paper can be made from a tree?
There is no simple answer to this question, and all calculations can be no better than "ballpark estimates."
Many people have heard the statistic that "a ton of recycled paper saves 17 trees." The "17 trees" number was popularized by Conservatree when it was a paper distributor, based on a report to Congress in the 1970s. It was calculated for newsprint, which is made in a totally different papermaking process from office and printing papers. But it was the best number anyone had, so it became the number everyone used to calculate number of trees saved by recycled paper, or number of trees cut to make virgin paper, no matter what type of paper they were talking about.
Paper is made from a mix of types of trees. Some are hardwood, some are softwood. In addition, some are tall, some old, some wide, some young, some thin. Many of the "trees" used to make paper are just chips and sawdust.
Some typical calculations:
- 1 ton of 100% virgin (non-recycled) newsprint uses 12 trees
- A "pallet" of copier paper (20-lb. sheet weight, or 20#) contains 40 cartons and weighs 1 ton.
- 1 tree makes 16.67 reams of copy paper or 8,333.3 sheets
- 1 ream (500 sheets) uses 6% of a tree (and those add up quickly!)
- 1 ton of coated, higher-end virgin magazine paper (used for magazines like National Geographic and many others) uses a little more than 15 trees (15.36)
- 1 ton of coated, lower-end virgin magazine paper (used for newsmagazines and most catalogs) uses nearly 8 trees (7.68)
- 1 carton (10 reams) of 100% virgin copier paper uses .6 trees
- 1 ton of uncoated virgin (non-recycled) printing and office paper uses 24 trees
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Source: www.conservatree.com