## M-WEIGHT

**FORMULA AND EXAMPLE**

###### (Sheet dimen.) X Basis wt. / (Area of basic size) = Rounded ream wt. X 2 = **M-Weight**

###### The M-weight of a sheet of 11×17” book paper with a basis weight of 70 lbs. is: (11×17) X 70 / (25×38) = 13.78 X 2 = **27.56**

*The area of the given sheet size is 11 x 17 = 187 inches2. Since this is less than 336 inches2, ream weight should be rounded to the nearest hundredth of a pound. *

## BASIS WT.

**FORMULA AND EXAMPLE**

###### GSM X Basic Size / 1406.5 = **Basis Weight (lbs.)**

###### The basis weight in lbs. for a ream of 25 x 38” book paper that weighs 67.3 grams per square meter (GSM) is: 67.3 X (25 x 38) / 1406.5 = **45 lbs. **

## GSM

**FORMULA AND EXAMPLE**

###### Basis Weight (lbs.) X 1406.5 / Basis size = **GSM**

###### The weight in grams per square meter (GSM) for a ream of 25 x 38” book paper that has a basis weight of 45 lbs. is: 45 x 1406.5 / (25 x 38) = **67 GSM **

## PPI

**FORMULA AND EXAMPLE**

###### 2 / Caliper = **Pages per Inch (PPI)**

###### The pages per inch (PPI) for 100# gloss coated cover with an average caliper of .0095 inches per sheet is: 2 / .0095 = **211 PPI **

## LINEAR FT.

**FORMULA AND EXAMPLE**

###### (Roll Weight × [Area of Basic Size]) × 500 ÷ (Basis Weight × Roll Width) × **12 = Linear Feet ÷ 3 = Linear Yards**

###### The linear footage and yardage for a 25×38” roll of basis 50# offset paper that is 26′′ wide and weighs 100 lbs. is: [(100 × [25×38]) × 500] **÷ **[(50×26) × 12] = **3,045 Linear Feet ÷ 3 = 1,015 Linear Yards **

## MSI/MSF

**FORMULA AND EXAMPLE**

###### Weight of Roll ÷ (Basis Weight ÷ [Area of Basic Size]) × 2 = **MSI ÷ 144 = MSF**

###### The MSI and MSF for a 900-pound roll of 80# book paper is 900 ÷ (80 ÷ [25×38]) × 2 = **5,344 MSI ÷ 144 = 37.111 MSF **

## $ PER MSI/MSF

**FORMULA AND EXAMPLE**

###### (Basis Weight ÷ Area of Basic Size) × 2 × Price per Pound = **Price per MSI × 144 = Price per MSF**

###### The price per MSI and MSF for a roll of 70# book paper priced at $.58 per pound is [70 ÷ (25×38)] × 2 × 0.58 = **$0.0855 price per MSI × 144 = $12.3120 price per MSF **

## $ PER LINEAR FT/YD