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CBM Calculator

Enter carton dimensions and quantities to estimate total CBM, cubic feet, LCL revenue tons, air or courier volumetric weight, and container utilization in one place.

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CBM is the space your cargo occupies

Use the outside packed carton size, multiply length, width, and height, then multiply by quantity. CBM is a first check for ocean LCL, storage, and container planning.

Calculation notes

CBM = length(m) x width(m) x height(m) x quantity

Current cargo summary

1.124 m3

Allowance-adjusted CBM 1.213 m3 · Total weight 110 kg

LCL billable RT

1.213 RT

Volume-sensitive cargo

Container utilization

4%

20ft GP · Estimated containers 1

Remaining CBM

31.99 m3

Total cubic feet 39.68 ft3

Quick examples

Shipping planning settings

Actual loading can vary by packaging, pallets, orientation, payload limits, and carrier equipment specs.

Container basis

Cargo list

Add rows when you have several carton sizes. The selected unit applies to every row.

Row total

0.84 m3

Unit CBM 0.084 m3

Row total

0.284 m3

Unit CBM 0.0473 m3

Total CBM

1.124 m3

Total CBM: 1.124 m3 / Allowance-adjusted CBM: 1.213 m3 / Total weight: 110 kg / LCL billable RT: 1.213 RT

Allowance-adjusted CBM

1.213 m3

+ 8%

Total weight

110 kg

Total cubic feet

39.68 ft3

Largest share

Carton A

75%

LCL billable RT

1.213 RT

Cargo density

90.7 kg/m3

Volume-sensitive cargo

Air volumetric reference

203 kg

Express volumetric reference

243 kg

Container utilization

20ft GP

4%

Estimated containers

1

Remaining CBM

31.99 m3

Quick container comparison

LCL basis

Small shipment reference

121%

20ft GP

About 33.2 CBM

4%

40ft GP

About 67.7 CBM

2%

40ft HC

About 76.3 CBM

2%

CBM by cargo row

Carton A

0.84 m3 / 80 kg / 10

75%

Carton B

0.284 m3 / 30 kg / 6

25%

Logistics planning notice

This tool is a planning aid only. Actual freight charges, customs treatment, chargeable weight, carrier rules, warehouse limits, and contractual terms must be confirmed with the carrier, forwarder, warehouse, or official shipping documents.

CBM for shipment planning

Use the outside packed dimensions, quantity, and optional unit weight for each cargo row. The calculator shows total volume, cargo-row share, total weight, LCL billable RT, and a quick container capacity reference before you request a freight quote.

Usage notes

  • CBM = length(m) x width(m) x height(m) x quantity
  • LCL billable RT = the larger of total CBM and metric tons
  • Air volumetric reference = total volume(cm3) / 6000; courier reference = total volume(cm3) / 5000
  • Cubic feet are derived using 35.3147 cubic feet per cubic meter.

Frequently asked questions

Should I enter inner or outer carton dimensions?expand_more

For freight, warehouse, and container planning, use the outside packed dimensions because that is the space the cargo occupies.

What is LCL billable RT?expand_more

LCL sea freight often compares volume in CBM with weight in metric tons and bills against the larger reference. Always confirm the final rule with your forwarder.

Can container utilization be lower than the real loading limit?expand_more

Yes. Pallets, carton orientation, aisle space, handling rules, and payload limits can reduce practical loading below the simple volume capacity.

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