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M Weights
The ream weight is the weight of 500 sheets; the M weight is the weight of 1,000 sheets. The M weight can be obtained by first finding the ream weight, rounding it by the rounding rules, then multiplying by 2.
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Specifications
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Rounding Rules
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Sheet Size
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Ream Weights
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864 inches² or larger
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Ream Weight calculated to nearest pound. (166 lbs.)
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336 inches² to 864 inches²
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Ream Weight calculated to nearest half pound. (166.5 lbs.)
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Less than 336 inches²
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Ream Weight calculated to nearest one hundredth of a pound. (166.55 lbs.)
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Basic Sizes
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Bond
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17 x 22
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=
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374 Square Inches
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Book and Offset
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25 x 38
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=
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950 Square Inches
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Tag
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24 x 36
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=
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864 Square Inches
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Index
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25.5 x 30.5
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=
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778 Square Inches
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Vellum Bristol
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22.5 x 30.5
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=
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686 Square Inches
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Coated Cover 1S/C2S
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24 x 36
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=
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864 Square Inches
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Coated Cover C2S
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20 x 26
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=
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520 Square Inches
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C1S Label
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25 x 38
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=
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950 Square Inches
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Opaque Cover
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20 x 26
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=
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520 Square Inches
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Formula
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Sheet Size x Basis Weight
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Basic Size
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=
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Rounded Ream Weight x2 = M Weight
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Example
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Find the M Weight of a sheet of 43x61, basis 60lb. Offset paper.
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Note:
The results of the Interactive Calculations System are estimates and are not guaranteed by Verso Paper Corp.
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