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Calcimator

Stretch Wrap Calculator

Film rolls needed from pallet count and wrap method.

Inputs

%

Results

Rolls needed

5

Pallets per roll

11.4

Film per pallet (ft)132
Effective roll length (ft)1,500
Weight per roll (lbs)8.3
Total film weight (lbs)41.7
Film cost per pallet ($)$2.08
Total film cost ($)$104.17
How to Use This Calculator
  1. Enter pallet dimensions (L x W x H in inches) and number of pallets per day.
  2. Enter stretch wrap gauge (80-150 gauge) and roll width (inches).
  3. Enter wraps per pallet and desired film overlap percentage.
  4. Read film consumption per pallet (linear ft), rolls per day, and annual film cost.
  5. Optimize by increasing pre-stretch ratio — higher pre-stretch reduces film usage per pallet.

How the result changes with Number of pallets

Number of palletsRolls neededPallets per roll
10,00188111.4
35,0013,08111.4
65,0005,72011.4
90,0007,92011.4

What each input means

Number of pallets
Total pallets to be wrapped.
Pallet length (in)
Pallet deck length (standard GMA = 48 in).
Pallet width (in)
Pallet deck width (standard GMA = 40 in).
Load height (in)
Height of the stacked load on the pallet.
Wrap revolutions
Number of full wrap cycles bottom-to-top (3 is standard for stable loads).
Film width (in)
Width of the stretch film roll (18 or 20 in is standard).
Roll length (ft)
Linear feet of film per roll (1000-1500 for hand, 5000-9000 for machine).
Pre-stretch %
Pre-stretch ratio (0% for hand wrap, 200-300% for machine stretch wrappers).

What each result means

Rolls needed
Total stretch film rolls required.
Pallets per roll
How many pallets one roll can wrap.
Film per pallet (ft)
Linear feet of film consumed per pallet.
Effective roll length (ft)
Usable film length after pre-stretching.
Weight per roll (lbs)
Estimated weight of each film roll.
Total film weight (lbs)
Combined weight of all film rolls needed.
Film cost per pallet ($)
Estimated film cost per wrapped pallet.
Total film cost ($)
Estimated total stretch film cost.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Number of pallets = 50, Pallet length (in) = 48, Pallet width (in) = 40, Load height (in) = 60 = 8 input(s) provided
  2. Calculate Rolls needed
    Rolls needed
    5 = 5
  3. Calculate Pallets per roll
    11.4 = 11.4
  4. Calculate Film per pallet
    Film per pallet = filmPerPalletIn / 12
    132 = 132
  5. Calculate Effective roll length
    Effective roll length = rollLengthFt * stretchMultiplier
    1500 = 1500

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