Formulas
Order Unit Conversion Formulas
Length of Roll from Roll Weight:
Pounds
x Yield
÷ Width
÷ 12
= Feet
Length of Roll from Roll OD
Roll OD
- Core OD
x 6545
÷ Gauge
= Feet
Square Inches per Roll:
Width (inches)
x Length (feet)
x 12
= Square Inches
MSI per Roll:
Width (inches)
x Length (feet)
x 12
÷ 1000
= MSI
Pounds per Roll:
Width
x Length
x 12
÷ Yield
= Pounds
Billing Unit Conversion Formulas
Price per Linear Foot:
$ per Pound
÷ Yield
x Width
x 12
= $ per Linear Foot
Price per MSI (Thousand Square Inches):
$ per Pound
÷ Yield
x 1000
= $ per MSI
Price per Roll:
$ per Pound
÷ Yield
x Width
x Length
x 12
= $ per Roll
*Price per Sheet:
$ per Pound
÷ Yield
x Width
x Length (feet)*
= $ per Sheet
*Unlike all other conversion calculations, sheet lengths are measured in inches.
Patch Calculations
Pounds of Film Needed
Length
x Width of Patch
x # of cartons needed
÷ Yeild (yeilds can be found on product datasheets)
= Pounds
Number of Rolls Needed
Length of Patch [in Inches] as it feeds into the machine
x # of Cartons needed
÷ Roll Length
= # of Rolls Needed