What Are The Dimensions Of A Bulk Bag?

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Guidelines on the dimensions of a Super Sack® container and how to estimate the size when filled.

*Download your free copy of the FIBC Design Guide below.

Bulk bags, or FIBCs, are manufactured by cutting and sewing woven polypropylene fabric. Although a bulk bag is typically constructed in a rectangular shape, due to the flexibility of the polypropylene fabric, the bag will round similar to a cylinder when filled.

 

The dimensions of a Super Sack® container are typically provided in length, width and height, or often seen as l x w x h. To calculate the diameter of a bulk bag, use the side panel width, then multiply by the number of panels, and divide by π or 3.1416. For example, the diameter of a bulk bag with a 35” x 35” rectangular base is calculated as 35 x 4 (sides) / 3.1416, which = 44.56, or more commonly recognized as 45”.

 

A four-panel bulk bag will round out and the circumference expands by approximately 120% when filled. For a standard Super Sack® container, which is 35” x 35” x 53”, the filled bulk bag will measure 45” in diameter and the filled height reduces by 4” to 49”.

 

Here is a helpful Super Sack® container sizing chart: (free .pdf download below)

 

*EH = Empty Height      FH = Fill Height

Volume

Height Option

Height Option

Height Option

Height Option

Height Option

 

28”x28” Base

35”x35” Base

38”x38” Base

43”x43” Base

35”x43” Base

 

 

 

 

 

 

 

Filled Diameter

Filled Diameter

Filled Diameter

Filled Diameter

Filled Diameter

 

36"

45"

48"

55"

50"

 

EH - FH

EH - FH

EH - FH

EH - FH

EH - FH

10 cu. Ft

21 - 17

 

 

 

 

15 cu. Ft

30 - 26

 

 

 

 

20 cu. Ft

38 - 34

26 - 22

23 - 19

 

22 - 18

25 cu. Ft

47 - 43

31 - 27

28 - 24

22 - 18

26 - 22

30 cu. Ft

55 - 51

37 - 33

32 - 28

26 - 22

31 - 27

35 cu. Ft

64 - 60

42 - 38

37 - 33

30 - 26

35 - 31

40 cu. Ft

 

48 - 44

42 - 38

33 - 29

39 - 35

45 cu. Ft

 

53 - 49

46 - 42

37 - 33

44 - 40

50 cu. Ft

 

59 - 55

51 - 47

41 - 37

48 - 44

55 cu. Ft

 

64 - 60

56 - 52

44 - 40

53 - 49

60 cu. Ft

 

70 - 66

60 - 56

48 - 44

57 - 53

65 cu. Ft

 

75 - 71

65 - 61

52 - 48

62 - 58

70 cu. Ft

 

81 - 77

70 - 66

55 - 51

66 - 62

75 cu. Ft

 

86 - 82

74 - 70

59 - 55

70 - 66

80 cu. Ft

 

91 - 87

79 - 75

63 - 59

75 - 71

85 cu. Ft

 

97 - 93

84 - 80

66 - 62

79 - 75

 

When space is critical, the rounding of filled bulk bags can become problematic. BAG Corp offers a solution to this problem with its unique baffled MaxSack™ container. The MaxSack™ retains its square shape after filling, is stable and stackable, and maximizes shipping and storage space.

 

As you can see in this transport container illustration, viewable here, the MaxSack™ bulk bags are capable of storing 25% - 35% more volume than the standard bulk bags that round when filled.

 

If you have never previously spec’d out a bulk bag, the FIBC Design Guide is provided as a means for potential bulk bag users to identify the answers to critical questions when determining what bulk bag fits best in their particular application. It has been assembled by professionals in the FIBCA and will be an excellent guide in identifying the questions which will ultimately need to be answered.

Download your free copy of the FIBC Design Guide, here.

Download your free copy of the Super Sack® container sizing chart, here.

The Super Sack® container, MaxSack™, and a diverse inventory of bulk bags are available through our online store for immediate shipment from our warehouse. If you need assistance developing an inventory stocking strategy or require a custom bulk bag solution, you can speak directly to one of our expert product sales specialist for assistance.

 

About BAG Corp:

BAG Corp is a bulk bag industry leader, innovating processes through experience. As a developer, manufacturer, supply chain and logistics provider, we move product around the world and meet customer inventory needs every day. BAG Corp services global brands, represented across a broad spectrum of industry verticals.