# How To Measure A Box Dimensions

How To Measure A Box Dimensions. The longest side when looking at the top of the box. You will need the internal dimensions of the box.

Listed dimensions are always inside dimensions. Length is always the longest side of the box that has a flap. That means that we need three measurements, length, width, and height.

### To Get Started, Look At The Top Opening Of The Box To Measure The Following Dimensions;

While the smaller of the dimension measurements is the width. When you tell us the dimensions of the box, they need to be in this order, length x width x depth. Volume of a box formula.

### The Length Is The Larger Of The Two Dimensions Of The Open Face (Flap Opening);

Next, measure from the bottom of the box to the top of its side to obtain its depth. The longest side when looking at the top of the box. Listed dimensions are always internal dimensions and measured in millimetres.

### Measuring The Sides Of A Rectangular Box Or Tank Is Easy.

All of our boxes are measured by length x width x depth/height. The interior dimensions are the industry standard measurement used to determine the fit of the product that goes inside. The next dimension is width.

### Measure The Length Of The Box First.

The width side also has a flap, but is always the side shorter than the length. (lxwxh) where the height is the vertical dimension of the box when the opening is facing upwards. The next dimension is width.

### Listed Dimensions Are Always Inside Dimensions.

Now, measure the distance from one of the inside corners to the top. By using the outside dimensions it allows carriers to accurately figure out the space required for your package. Let’s start with the easiest box type, square boxes.