**How To Measure A Box For Usps References**. Length x width x height. Alternatively, measure the outside of the box if you want to find out if it can fit into a space.

I believe these are 38x6x6. Some shipping carriers restrict how big the box is that you use to ship. Now, multiply each of those measurements by two and add them together.

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### The Combined Measurements Cannot Exceed 130 Inches.

To measure a box, start by measuring the longest inner side of the box to get its length. For example, usps allows a maximum combined length and girth of 108 inches. Measure the three parcel dimensions in inches.

### The Girth Measurement Is The Perimeter (The Sum Of All Four Sides) Of The Base Of The Ground Floor Or Top Floor.

To measure the length, width, and height of shipping boxes, use a measuring tape or a measuring stick to find the measurement of the longest side of the package. Width is the second longest side of the parcel—if you’re sending a shoe box, the side of the box that faces the heel seat or heel base. Priority mail flat rate boxes box image description outside box length outside box width outside box height online postage price weight limit packaging sku small flat rate box 8 11/16 1 3/4 5 7/16 always $5.25 up to 70 lbs.

### Usps Could Technically Reject Your Package If Your Box Is Smaller Than Those Dimensions, But The Chances Of That Happening Are Pretty Rare.

Measure the height of the package. Now, multiply each of those measurements by two and add them together. This rule applies for any usps mail class you decide to ship in.

### Alternatively, Measure The Outside Of The Box If You Want To Find Out If It Can Fit Into A Space.

When you see the box measurements listed in a catalog or a website, they’re typically referring to the interior dimensions. The other (3) measurements are what the 3 sides measure. Then, measure the shorter inner side to check the width.

### Total Size Less Than Or Equal To 84″.

Length x width x height. (for easy reference, you can open this page in another browser window) The outer tall edge of the building is your long side.