NEW USPS DIMENSIONAL WEIGHT RATE

May 14, 2007 the new USPS postage rate increase went into effect. One of the major effects will be the new “Dimensional Weight Rate for Low-Density Parcels to Zones 5-8″ (See below). You will need to check your box sizes to see if you will be affected. I think you will find that the “100 Chick” boxes will fall into this rate.
We have gotten a ruling from the D.C. office of the USPS that Chick boxes with their slanted sides and posts on the top would be included in the “1.4.2 Determining Dimensional Weight for Nonrectangular Parcels” rate calculations. We have also received a clarification that each measurement of the box can be rounded down if it is under a half inch, otherwise round up to the nearest inch. The resulting weight in pounds must be rounded up to the nearest pound.
EXAMPLE: A box with an actual dimension of 24 1/4 Length X 18 1/4 Width X 7 3/8 Height.
((24 X 18 X 7)X0.785)/194 = 12.236 Lbs or rounded up to 13 Lbs.
You must put postage on the box based on this Dimensional Weight or Actual Weight which ever is larger.
If you have any question please contact your local postmaster.
Bud Wood, Chair Birdshippers of America
From the USPS Domestic Mail Manual – May 14, 2007

1.4 Dimensional Weight Rate for Low-Density Parcels to Zones 5-8

Postage for parcels addressed for delivery to Zones 5-8 and exceeding 1 cubic foot (1,728 cubic inches) is based on the actual weight or the dimensional weight (as calculated in 1.4.1 or 1.4.2), whichever is greater.
1.4.1 Determining Dimensional Weight for Rectangular Parcels
Follow these steps to determine the dimensional weight for a rectangular parcel:
a. Measure the length, width, and height in inches. Round off (see 604.7.0) each measurement to the nearest whole inch.
b. Multiply the length by the width by the height.
c. If the result exceeds 1,728 cubic inches, divide the result by 194 and round up (see 604.7.0) to the next whole number to determine the dimensional weight in pounds.
1.4.2 Determining Dimensional Weight for Nonrectangular Parcels
Follow these steps to determine the dimensional weight for a nonrectangular parcel:
a. Measure the length, width, and height in inches at their extreme dimensions. Round off (see 604.7.0) each measurement to the nearest whole inch.
b. Multiply the length by the width by the height.
c. Multiply the result by an adjustment factor of 0.785.
d. If the final result exceeds 1,728 cubic inches, divide the result by 194 and round up (see 604.7.0) to the next whole number to determine the dimensional weight in pounds.
e. If the dimensional weight exceeds 70 pounds, the parcel pays the 70-pound rate.

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