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Sea Freight Container

20ft Open Top CBM Calculator

589 × 234 × 228 cm31.4 m³ max
Internal Length
589 cm
5.89 m
Internal Width
234 cm
2.34 m
Internal Height
228 cm
2.28 m
Max Capacity
31.4 m³
1108.9 ft³
Open top containers have a removable tarpaulin cover instead of a fixed roof, allowing cargo to be loaded from above by crane. Used for tall machinery, coils, and out-of-gauge cargo.

How Many of Your Items Fit?

The calculator below is pre-filled with the 20ft Open Top's internal dimensions. Change Pieces to calculate total CBM and see what percentage of the container you'd fill. To calculate a different box size, adjust the dimensions freely.

InputsReal-time
Results
Total Volume
31.4243
Container Fill100.0%of 31.4

Exceeds container capacity — reduce pieces or use a larger container.

CBM per Piece
31.4243 m³
cubic metres
Cubic Feet
1109.74 ft³
1 m³ = 35.3147 ft³
Litres
31,424.3 L
1 m³ = 1,000 litres
Cubic Inches
1,917,627.1 in³
1 m³ = 61,023.7 in³
Air Freight?Calculate Chargeable Weight →Volumetric vs actual weight for air cargoRoad Freight?Calculate Loading Metres →LDM calculator for UK/EU trailers
Automate this with the API
GET /api/cbm?l=120&w=80&h=100&pcs=5
View API Docs →

Other Sea Freight Container Types

20ft Standard33.240ft Standard6740ft High Cube7640ft Open Top64.120ft Reefer27.540ft Reefer57.345ft High Cube85.320ft Flat Rack28.140ft Flat Rack56.1
← All Container TypesUse the API →