Free packaging tool
Packaging Unit Converter
Convert a single measurement or a full Length × Width × Height packaging specification between mm, cm, and inches.
Convert packaging dimensions
Choose a source unit and enter one measurement or a complete Length × Width × Height set.
Equivalent dimensions
Millimeters (mm)
120 × 80 × 35 mm
Centimeters (cm)
12 × 8 × 3.5 cm
Inches (in)
4.72441 × 3.14961 × 1.37795 in
Practical answers
Frequently asked questions
How many millimeters are in one inch?
One inch equals exactly 25.4 millimeters, and one inch equals 2.54 centimeters.
Should packaging dimensions be written in a fixed order?
Length × Width × Height is common, but suppliers may define dimensions differently by structure. Label every value and confirm the measurement convention.
Does this converter change dieline scale?
No. It converts numerical measurements only. Confirm dieline dimensions and scale in the artwork file separately.