Know the space.
Plan the shipment.
Free calculators for CBM, dimensional weight, pallets, and containers—supported by transparent formulas, worked examples, and practical shipping guides.
Use outer packed dimensions. Add a row for each different size.
Calculate shipment volume
Planning estimate only. Confirm measurements, rounding, service rules, payload, and rates with the carrier.
Everyday shipping answers,
without the spreadsheet.
Choose a calculator for your packing or freight-planning question with transparent formulas and sensible presets.
CBM
Calculate cubic meters and cubic feet for cartons, pallets, and freight in seconds.
Open calculator →02Courier planningVolumetric weight
Estimate volumetric weight in kg or lb with courier, air-freight, and custom divisors.
Open calculator →03Carrier comparisonDIM comparison
Compare U.S. FedEx, UPS Daily, UPS Retail and USPS Ground Advantage base dimensional weights.
Open calculator →04Freight ratingChargeable weight
Find the higher of actual and volumetric weight for air or express freight.
Open calculator →05Warehouse planningPallet layout
Estimate cartons per layer, layers per pallet, total cartons, and space utilization.
Open calculator →06Packing quantityCartons per pallet
Work out how many identical cartons fit on a standard pallet without overhang.
Open calculator →07Ocean freight planningContainer loading
Estimate uniform cartons in 20 ft, 40 ft, and 40 ft high-cube containers.
Open calculator →08Parcel limitsLength + girth
Calculate girth and combined length plus girth for parcel size checks.
Open calculator →09Volume conversionVolume converter
Convert CBM to cubic feet, cubic inches, liters, and common freight volume units.
Open calculator →10Metric ↔ imperialUnit converter
Convert shipping length and weight units between metric and imperial measurements.
Open calculator →Learn the logic
behind the number.
How to Calculate CBM for Shipping
A practical guide to measuring cartons and calculating cubic meters for air, sea, and road freight.
2 min read →Dimensional weight · Guide 02Volumetric Weight vs Actual Weight
Understand why carriers compare package size with scale weight and how chargeable weight is selected.
2 min read →Pallets · Guide 03Pallet Loading Guide: Cartons, Layers, and Stability
Plan a pallet footprint, height, and carton pattern without overlooking basic load-safety constraints.
2 min read →Calculations you can reproduce.
Check representative CBM, dimensional-weight, girth, and pallet examples against a spreadsheet or the calculator itself.
See the inputs, math, and expected result.
Our testing methodology separates stable arithmetic from carrier rules that can change.
Open Cargoivo Lab → How we test →