Volume

How many CBM fit in a 40ft container?

Updated September 28, 2026Figures calculated with our 3D loading engine

Short answer

A 40ft standard container (40GP) has about 67.6 m³ of internal volume and a 40ft high cube (40HQ) about 76.0 m³. Usable space for cartons is roughly 55–60 CBM in a 40GP and 65–70 CBM in a 40HQ.

Usable CBM by carton size

Carton size40GP cartons40GP CBM40HQ cartons40HQ CBM
30 × 30 × 30 cm1,96052.9 (78%)2,24060.5 (80%)
40 × 30 × 30 cm1,61058.0 (86%)1,84066.2 (87%)
40 × 40 × 40 cm75048.0 (71%)90057.6 (76%)
50 × 40 × 30 cm96658.0 (86%)1,15069.0 (91%)
50 × 50 × 50 cm38448.0 (71%)48060.0 (79%)
60 × 40 × 40 cm55052.8 (78%)66063.4 (83%)
60 × 40 × 50 cm46055.2 (82%)57068.4 (90%)
70 × 50 × 50 cm31254.6 (81%)37565.6 (86%)
80 × 60 × 60 cm16547.5 (70%)22063.4 (83%)

In cubic feet

A 40GP is about 2,386 ft³ and a 40HQ about 2,686 ft³ inside.

Planning rule of thumb

  • Up to ~28 CBM: a 20ft container.
  • 28–58 CBM: a 40ft standard.
  • 58–68 CBM: a 40ft high cube.
  • Near the upper end of any range, run the exact cartons through the load calculator before booking.
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Frequently asked questions

What is the CBM of a 40ft container?

About 67.6 m³ for a 40GP and 76.0 m³ for a 40HQ.

How many CBM can I load in a 40HQ?

Plan on 65–70 CBM of cartons; uniform cartons that fit well can reach more.

How many CBM in a 40ft container in cubic feet?

About 2,386 ft³ (40GP) or 2,686 ft³ (40HQ).