Shipping library

Understand the number, then make a better shipping decision.

38 practical guides with formulas, worked examples, packaging context, and links to the calculator that matches the problem.

Freight volume · Guide 01

How to Calculate CBM for Shipping

A practical guide to measuring cartons and calculating cubic meters for air, sea, and road freight.

2 min read →
Dimensional weight · Guide 02

Volumetric Weight vs Actual Weight

Understand why carriers compare package size with scale weight and how chargeable weight is selected.

2 min read →
Pallets · Guide 03

Pallet Loading Guide: Cartons, Layers, and Stability

Plan a pallet footprint, height, and carton pattern without overlooking basic load-safety constraints.

2 min read →
Containers · Guide 04

Shipping Container Sizes and Loading Capacity

Compare common 20 ft, 40 ft, and 40 ft high-cube dry containers before planning a load.

2 min read →
Packaging · Guide 05

How to Reduce Dimensional Weight

Lower avoidable parcel volume with packaging changes that protect the product and improve shipping efficiency.

2 min read →
Freight volume · Guide 06

How to Calculate CBM From Centimeters

Convert carton measurements in centimeters into cubic meters without mixing units or losing precision.

2 min read →
Freight volume · Guide 07

How to Calculate CBM From Inches

Turn package measurements in inches into cubic meters for international freight planning.

2 min read →
Conversions · Guide 08

CBM to Cubic Feet: Freight Conversion Guide

Convert cubic meters to cubic feet and understand when each volume unit appears in freight documents.

2 min read →
Freight volume · Guide 09

LCL Weight or Measure (W/M) Explained

Understand the weight-or-measure concept used in many less-than-container-load freight quotations.

2 min read →
Dimensional weight · Guide 10

Air Freight Chargeable Weight: Step-by-Step Guide

Calculate the weight used for many air-freight ratings by comparing gross and volumetric weight.

2 min read →
Dimensional weight · Guide 11

DIM Divisor 139 vs 166: What Changes?

See how two common dimensional-weight divisors change the billed-weight estimate for the same parcel.

2 min read →
Dimensional weight · Guide 12

Volumetric Divisor 5000 vs 6000

Compare two common metric divisors and learn why the same carton can produce different volumetric weights.

2 min read →
Dimensional weight · Guide 13

DHL-Style Volumetric Weight Example

Work through a metric express-shipping example using a 5000 divisor, then compare the result with scale weight.

1 min read →
Dimensional weight · Guide 14

FedEx-Style Dimensional Weight Example

See how an inch-based 139 divisor changes the planning weight of a bulky parcel.

1 min read →
Dimensional weight · Guide 15

UPS-Style DIM Weight Example

Compare 139 and 166 divisors on one package to understand rate-program differences.

1 min read →
Dimensional weight · Guide 16

USPS Dimensional Weight Basics

Understand why parcel cubic size, divisor and service conditions all matter in a USPS DIM-weight check.

2 min read →
Packaging · Guide 17

How to Measure a Box for Shipping Correctly

Measure external length, width, height and weight in a way that supports CBM, DIM-weight and girth calculations.

2 min read →
Packaging · Guide 18

Package Girth and Length Plus Girth Explained

Understand the geometry behind carrier girth limits and calculate the combined size of a parcel.

2 min read →
Pallets · Guide 19

Standard Pallet Sizes: Practical Comparison

Compare common GMA, Euro and UK pallet footprints before planning cartons and container loads.

2 min read →
Pallets · Guide 20

Euro Pallet Size and Carton Planning Guide

Use the 1200 × 800 mm Euro-pallet footprint to plan layers, height and carton utilization.

2 min read →
Pallets · Guide 21

48 × 40 GMA Pallet Planning Guide

Plan cartons on a common North American 48 × 40 inch pallet without accidental overhang.

2 min read →
Pallets · Guide 22

How to Plan Maximum Pallet Height

Turn a carrier or warehouse height limit into usable carton layers while accounting for the pallet itself.

2 min read →
Pallets · Guide 23

Why Pallet Overhang Can Cost More Than It Saves

Understand how cartons hanging beyond a pallet edge affect compression, handling and shipment quality.

2 min read →
Pallets · Guide 24

Cartons Per Pallet: Worked Example

Follow a complete layer-and-height calculation for identical cartons on a standard pallet.

2 min read →
Containers · Guide 25

20 ft Container Capacity: CBM vs Actual Carton Fit

Work through a 20 ft container example: carton CBM, whole-carton rows, orientation and weight checks. See why cubic capacity does not prove a load will fit.

3 min read →
Containers · Guide 26

40 ft Container Capacity and Loading Guide

Plan carton volume and payload in a standard 40-foot dry container without relying on CBM alone.

2 min read →
Containers · Guide 27

40 ft High Cube: When the Extra Height Helps

Understand how a high-cube container adds vertical volume and when carton height lets you use it effectively.

2 min read →
Containers · Guide 28

Container Payload vs Volume: Which Limit Comes First?

Compare cubic capacity with cargo weight so a container plan does not exceed the wrong constraint.

2 min read →
Containers · Guide 29

How Many Cartons Fit in a Container? Worked Example

See why carton orientation gives a better first estimate than dividing container CBM by carton CBM.

2 min read →
Containers · Guide 30

Loose Load vs Palletized Container Shipping

Compare cube efficiency, handling speed and product protection when deciding how to load a container.

2 min read →
Conversions · Guide 31

Shipping Unit Conversion: Metric and Imperial Cheat Guide

Convert common length and weight units correctly when suppliers and carriers use different systems.

2 min read →
Conversions · Guide 32

Kilograms to Pounds for Shipping

Convert packed weights between kilograms and pounds while preserving enough precision for freight planning.

2 min read →
Conversions · Guide 33

Inches to Centimeters for Package Measurements

Convert box dimensions accurately before calculating CBM, dimensional weight or international packing data.

2 min read →
Freight volume · Guide 34

Freight Density Explained for Packing Decisions

Relate shipment weight to occupied volume so you can see whether a load is relatively dense or bulky.

2 min read →
Packaging · Guide 35

How to Reduce Shipping Box Size Safely

Cut avoidable packaging volume without trading freight savings for higher product damage.

2 min read →
Packaging · Guide 36

Void Fill and Dimensional Weight

Understand why excess empty space inside a carton can become a recurring shipping-cost problem.

2 min read →
Freight volume · Guide 37

How to Calculate CBM for Mixed Carton Sizes

Build a shipment-volume total when an order contains several carton dimensions and quantities.

2 min read →
Packaging · Guide 38

Master Carton Sizing for Better Freight Utilization

Design case dimensions with product protection, pallet patterns and dimensional weight in the same decision.

2 min read →