One of the most common questions i get asked is how to calculate CBM, specially by those clients who get charged per Freight Ton (weight or volume whichever is higher)..
Firstly CBM stands for CuBic Meter.. This is the most common unit used for the measurement of volumetric cargo..
When you have the dimensions of the package, first of all convert the measurement into meters.. Normally dimensions are in Length x Width x Height..
If for example the dimensions are 3.2 x 1.2 x 2.2 meters then the CBM is simply 3.2 x 1.2 x 2.2 = 8.448 cbm..
As mentioned above if the rate is quoted as for example Usd.12/per freight ton and the weight of the package is 1200 kgs = 1.2 tons, then the freight rate for this will be
8.448 cbm x Usd.12 = Usd.101.376 or
1.2 tons x Usd.12 = Usd.14.4
Since the cbm rate is higher, the freight rate of Usd.101.376 will apply..
For easy conversion of anything to anything – pls refer to http://www.onlineconversion.com/
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Dear Sir,
Can any body tell me that how many Sq Mtrs. of PVC Leather cloth having coating wt. of 400GSM can be stuffed in a DV 20 S container.
Hi I am Manu, working in a freight forwaarding company in Imports Division. The explanation of CBM calculations is highly useful for any one who is in freight forwarding industry. Thank You for your expanations with examples in a simple language.
You are most welcome Julie..
HI, I am new in the shipping line and wanted to thank you for taking time and effort for keeping a comprehensive below. Its really helpful.
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Hi Barry, i found this which might be useful..
Stowage factor is the amount of cubic feet it takes to store one long ton of a given cargo. This is used to calculate how much can be carried in a ship, container, or other space. This factor can vary depending on how the material is packed and stowed. Wax has a lower stowage factor in bags (53 cubic feet per ton) then in barrels (73). This means that it takes 20 less cubic feet to store one ton of wax in bags then in barrels. Stowage factor basically tells you how efficently a meterial is packed.
The following formula is used to determine the stowage factor of a given cargo:
f=(2240*v)/w
f is the stowage factor. 2240 is the amount of pounds in a long ton. v is the volume of one unit of cargo, such as an ingot or bag. w is the weight in pounds of the container.
Here are the stowage factors of some common items:
Tires-100 cubic feet per ton
Coffee-70 in bags
Oranges-88 in cases, 63 in cartons
Lead ingots-11
Source: Marine Cargo Operations by Saurbier and Meurn
This is helpful to anyone that is new to the shipping sales department or is venturing into that line of work. Sales managers and such should know these formulas . Question, Can you explain how to come up with the stowage factor for a particular hatch, Any size with any tank top weight limit, just use an example. I used to know but have forgotten the formula.
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I take thsi opertunity to express my sincere thanks for the guidance that you have given to the forwarding team all over the world. keep it up…
Dave/RS Log…
How did you come up with the $15 per w/m rate for the inland? My issue is turning the per cwt (or per kg) charge into a per w/m charge.