Price per 1000 sheets: |
| Price = |
weight per 1000 sheets x price per tonne
1000
|
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Price per tonne: |
Price = |
price per 1000 sheets x 1000
Weight per 1000 sheets |
|
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Number of sheets for a job: |
Total = |
number of printed pages of job x copies required x
(100 x % overs)
number of printed pages per sheet x 100 |
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Weight of a given number of sheets in kg: |
Weight = |
sheet length (m) x sheet width (m) x gsm x number of sheets
1000 |
|
Grammage of a sheet of paper in gsm: |
Grammage = |
weight (kg) x 1000
Sheet length (m) x sheet width (m) x number of sheets |
|
Weight of a job in grammes: |
Weight = |
number of printed pages x length of page (m) x
width of page (m) x gsm
2 |
Repeat for each type of paper then add the totals. |
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Linear metres on a reel: |
Length = |
weight in kg x 1000
Gsm x width in metres |
|
Length = |
p (R-r) (R+r) x 100
Thickness in microns |
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where R= radius of reel in cm and r= outside radius of core in cm. |
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