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All international carriers base their shipping rates on the greater of Actual Weight and Dimensional Weight. Actual Weight is the weight of the package when put on a scale. Dimensional Weight is based on the size of the package. Large items that have a small Actual Weight, like pillows and lamp shades, will have a larger Dimensional Weight.

Dimensional Weight is calculated by multiplying the Length by Width by Height and dividing the total by a "DIM Factor." MyUS.com's DIM Factor is 300. So, our formula is:

Dimensional Weight (pounds) =
Length x Width x Height (inches)
300
For example:
A 10" x 12" x 15" box with an Actual Weight
of 3 lbs has a Dimensional Weight of 6 lbs:
10 x 12 x 15
300
  =  6 lbs

MyUS.com has negotiated a special discounted DIM Factor to its customers. All other package forwarding companies use a Dim Factor of 166. MyUS.com uses a Dim Factor of 300! MyUS.com customers save over 40% on Dimensional Weight when shipping packages through MyUS.com!

Some comparisons:


Box dimensions: MyUS.com Dimensional Weight: Our competitors' Dimensional Weight:
10" x 10" x 12"
10 x 10 x 12
300
  =  4 lbs
10 x 10 x 12
166
  =  8 lbs
10" x 12" x 15"
10 x 12 x 15
300
  =  6 lbs
10 x 12 x 15
166
  =  11 lbs
10" x 12" x 20"
10 x 12 x 20
300
  =  8 lbs
10 x 12 x 20
166
  =  15 lbs