Cargo & Volume
CBM Calculator
Calculate shipment volume in cubic metres (CBM) and cubic feet from package dimensions and quantity.
Open calculator Built for freight, cargo & shipping workflows
Shipping calculations you can trust and check.
Free browser-based tools for CBM, dimensional weight, freight density, pallets, containers and cargo planning - with the formula and assumptions shown.
InstantBrowser-based results
TransparentFormula shown
PracticalNo account wall
Quick referenceLive tool
CBML × W × H × QTY
1 m³35.3147 ft³
1 kg2.2046 lb
1 in³16.3871 cm³
Freight teamsWarehousesImportersExportersE-commerceForwarders
Most used
Start with the core calculators
High-utility tools for the shipping calculations that come up every day.
Parcel & Dimensional Weight
Dimensional Weight Calculator
Calculate dimensional weight using selectable metric or imperial billing divisors.
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Parcel & Dimensional Weight
Volumetric Weight Calculator
Convert package dimensions into volumetric weight for parcel, courier and freight planning.
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Parcel & Dimensional Weight
Chargeable Weight Calculator
Compare actual and volumetric weight to estimate the chargeable weight for a shipment.
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Freight & LTL
Freight Density Calculator
Calculate LTL freight density in pounds per cubic foot and kilograms per cubic metre.
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Freight & LTL
Freight Class Calculator
Estimate a density-based LTL freight class using the current 13-sub density scale as a planning aid.
Open calculatorPlanning suite
Go beyond single calculations
Connected planners turn carton, pallet, container and freight-rate inputs into decision-ready scenarios.
Planning suiteAdvanced tools, still free
01Advanced planner
Carton to Pallet to Container Optimizer
Plan cartons per layer, cartons per pallet, pallets per container and estimated cube utilization in one connected workflow.
Open planner02Advanced planner
Mixed-SKU Pallet Planner
Estimate pallets for a mixed carton list with a browser-based layer and shelf packing heuristic, height limits and weight limits.
Open planner03Advanced planner
LCL vs FCL Calculator
Compare modeled LCL and FCL costs, see W/M rating units and estimate the rate break-even point for your shipment.
Open planner04Advanced planner
Box Size Calculator
Find a practical shipping-box size for one or more identical products using padding, wall thickness and whole-number packing grids.
Open planner05Advanced planner
Pallet Size Calculator
Compare common pallet footprints and see which gives the highest cartons-per-layer and footprint utilization for your carton size.
Open planner06Advanced planner
Air vs Ocean Freight Calculator
Compare user-entered air and LCL ocean freight scenarios by modeled cost, W/M, transit days and air premium per day saved.
Open plannerBuilt for real workflow questions.Use the simpler calculators when you need one number. Use the planning suite when the decision spans multiple steps.
Organized around real work
Explore by workflow
Jump straight to the type of calculation you need.
5 tools
Cargo & Volume
CBM, shipment volume and unit-conversion tools.
Explore category 4 toolsPackaging & Cartonization
Box sizing, packaging efficiency, package geometry and mixed-carton planning tools.
Explore category 5 toolsParcel & Dimensional Weight
Dimensional, volumetric and chargeable-weight calculators.
Explore category 4 toolsFreight & LTL
Density, freight class and shipment planning tools.
Explore category 3 toolsOcean Freight & LCL
W/M, LCL pricing, FCL crossover and ocean-freight planning tools.
Explore category 12 toolsPallet & Packing
Pallet loading, TI-HI, box count and volume tools.
Explore category 9 toolsContainers & Loading
Container capacity, loading and floor-space tools.
Explore category 6 toolsShipping Costs
Freight cost allocation, landed-cost and unit-economics tools.
Explore category 3 toolsOperations Planning
End-to-end carton, pallet, container and mixed-SKU planning tools.
Explore categoryWhy CargoToolsHub
Useful answers, with the math visible.
Shipping calculations are only useful when you can understand what went into the result. We keep the interface fast, the assumptions visible and the output easy to verify.
Transparent formulasSee the method, units and practical limitations behind each result.
Fast by designMost tools calculate locally in your browser with no account or API delay.
Built for planningClear warnings tell you when a carrier rule, tariff or physical constraint still needs verification.
Reference desk
Keep the numbers you check most in one place
Fast tables for container dimensions, pallet footprints, freight density bands, DIM divisors, W/M and unit conversions.
Quick reference
Standard Shipping Container Dimensions & Capacity
Quick-reference planning dimensions, nominal cube and payload context for common 20GP, 40GP and 40HC dry containers.
Open referenceQuick reference
Standard Pallet Sizes by Region
Compare common European, ISO and North American pallet footprints and jump into pallet-fit calculators.
Open referenceQuick reference
Freight Class Density Chart
A practical density-band reference for the current 13-sub density structure, with links to calculators and classification caveats.
Open referenceGuides & explainers
Understand the calculation, not just the number
Practical shipping references that connect directly to the tools.
Container Door Clearance vs Internal Container Dimensions
Learn why a crate can fit the internal cube but still fail at the container door and how to separate doorway geometry from internal loading clearance.
Read guideAir vs Ocean Freight: A Transparent Cost and Time Framework
Compare air and LCL ocean scenarios using chargeable weight, W/M, fixed charges and transit days without pretending to provide a live quote.
Read guidePallet Overhang and Underhang: What the Numbers Mean
Understand centered pallet overhang, underhang and why a small footprint mismatch can affect stability, handling and transport space.
Read guide