These charts use nominal container size to explain the comparison. They do not replace the data plate, exact-unit measurements, carrier review or site approval.
01
Nominal floor area doubles from 20FT to 40FT.
Both use the common nominal 8FT exterior width for this simple footprint comparison.
Container specifications vary by manufacturer, type and unit. Use these values only for early comparison and verify the exact container before purchase, loading or modification.
Use the comparison
Get both likely sizes priced to your ZIP.
A specialist will match local inventory and confirm the exact unit before you commit.