**How To Measure A Box For Usps References**. N multiply the length by the width by the height, and multiply the result by the nonrectangular adjustment factor of 0.785. For one low price, you can mail any amount of material.

Regional rate prices start at $5.32 for box a and run up to $15.25 for box c. Actually, you only round up at the half inch. Length is always the longest side of the box that has a flap.

Table of Contents

### N Round Off Each Measurement To The Nearest Whole Inch.

Actually, you only round up at the half inch. Measure the length of the box first. • all flat rate (priority mail and express mail) boxes are exempt from dim weight.

### Measure The Length, Width, And Height Of The Package.

To ship with usps regional rate boxes, you need to. The next dimension is width. Your specific shipment may have different package size and weight limits.

### (Lxwxh) Where The Height Is The Vertical Dimension Of The Box When The Opening Is Facing Upwards.

Tips and tools for measuring letters and large envelopes; (for easy reference, you can open this page in another browser window) source: Length x width x height.

### • One Cubic Foot = 12″ L X 12″ W X 12″ H = 1,728 Cubic Inches.

When shipping a box, the minimum dimensions are 6x3x0.25″. Regional rate prices start at $5.32 for box a and run up to $15.25 for box c. A convenient alternative to a scale is our priority mail express® flat rate envelopes and priority mail flat rate® envelopes and boxes.

### To Get The Cubic Multiply Height Times Width Times Width.

Prices for these usps boxes are in the chart below. Next, turn the box 90 degrees and measure the width, which is the side with the. 12 x 12 x 20 = 2,880 cubic inches.