12 x 12 x 20 = 2,880 cubic inches.

How to measure package dimensions usps. Tips and tools for measuring. So, before you ship, follow these t. Usps could technically reject your package if your.

Next, grab your measuring tape or ruler to figure out the package dimensions. Measure the longest side of the package. At least 3 inches high x 6 inches long x 1/4 inch thick.

Measuring every inch and ounce precisely can help ensure you get the optimal price for your parcel deliveries with usps®. The smallest box has a minimum length of 6 inches and a minimum height of 4 inches. Except for usps retail ground and parcel select, no mailpiece may measure more than 108 inches in length and girth combined.

Dim weight is determined by multiplying a package's length, width, and height and. Start by identifying the longest side of the package, then hold a ruler or. For each measurement, start at the longest point, rounding each measurement to the nearest whole number.

To measure the width of your box, turn your measuring tool 90 degrees from the length side. How is the size and weight of a parcel determined? Measure the dimensions of your package to determine the total cubic inches.

If you need to send something smaller than these dimensions, choose the envelope. Multiply the package length (longest side of the package) by the width by the. Oversized priority mail packages may be subject to dimensional pricing even when below the maximum 108 dimension.