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Conversion factors for logistics & shipping
International logistics often involves multiple unit systems. These conversion factors help you quickly convert weight, volume, dimensions and temperature for freight planning, documentation and costing. Use the quick conversion tool below for instant results.
International logistics often involves multiple unit systems. These conversion factors help you quickly convert weight, volume, dimensions and temperature for freight planning, documentation and costing.
Overview
Why conversion factors matter in shipping
Conversions are essential for calculating chargeable weight, preparing documents, estimating container space, and aligning with carrier and customs requirements.
Incorrect conversions can lead to billing surprises, space miscalculations and avoidable clearance issues. For service-dependent calculations (e.g., air-freight volumetric divisor), confirm the rule set used by the carrier.
- Validate chargeable weight and volumetrics
- Align CBM with container planning
- Reduce clearance and compliance risks
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Formulas
Common freight conversion formulas
ReferenceUse these formulas as a quick reference. Carrier rules may vary.
- Air Freight Volumetric Weight: (L × W × H in cm) ÷ 6000
- Ocean Freight CBM: L × W × H in meters
- Planning reference: 1 CBM ≈ 1000 kg (commodity dependent)
Weight
Weight conversion factors
Used frequently in air freight, sea freight, courier and customs documentation.
| From | To | Conversion |
|---|---|---|
| Kilogram (kg) | Pound (lb) | 1 kg = 2.20462 lb |
| Pound (lb) | Kilogram (kg) | 1 lb = 0.453592 kg |
| Metric Ton (MT) | Kilogram (kg) | 1 MT = 1000 kg |
| Gram (g) | Kilogram (kg) | 1 g = 0.001 kg |
Volume
Volume conversion factors
Critical for CBM planning, container utilisation and LCL shipments.
| From | To | Conversion |
|---|---|---|
| Cubic Meter (CBM) | Cubic Feet (CFT) | 1 CBM = 35.3147 CFT |
| Cubic Feet (CFT) | Cubic Meter (CBM) | 1 CFT = 0.0283168 CBM |
| Liter (L) | Cubic Meter (CBM) | 1 L = 0.001 CBM |
Dimensions
Length & dimension conversion factors
Used for package dimensions, pallet sizing and volumetric weight calculation.
| From | To | Conversion |
|---|---|---|
| Inch (in) | Centimeter (cm) | 1 in = 2.54 cm |
| Foot (ft) | Meter (m) | 1 ft = 0.3048 m |
| Meter (m) | Centimeter (cm) | 1 m = 100 cm |
Freight formulas
Common freight conversion formulas
For billing, carriers typically use chargeable weight (air) or W/M logic (ocean). Validate with carrier rules.
Air Freight
Volumetric (Dimensional) Weight
Standard divisorVolumetric Weight (kg) = (L × W × H in cm) ÷ 6000
- Some carriers may use 5000 or 4000 based on service type.
- Confirm rules with your airline or freight forwarder.
Ocean Freight
Volume & Planning Reference
CBMCBM = (L × W × H in meters)
- General planning reference: 1 CBM ≈ 1000 kg (varies by commodity).
- Use W/M (weight/measure) rules for LCL ratings.
Temperature
Temperature conversion (cold chain)
Useful for perishables, pharma and temperature-sensitive shipment planning.
| From | To | Conversion |
|---|---|---|
| Celsius (°C) | Fahrenheit (°F) | (°C × 9/5) + 32 |
| Fahrenheit (°F) | Celsius (°C) | (°F − 32) × 5/9 |
How We Help
How Amigo Logistics supports accurate shipping conversions
Conversions impact freight costs, storage planning and document accuracy. We help shippers reduce errors and avoid billing surprises by:
- Validating chargeable weight and volumetric calculations
- Confirming CBM and container utilisation estimates
- Advising on packaging optimisation to reduce dimensional charges
- Supporting documentation alignment for customs and carrier requirements
Next Step
Need help with freight calculations?
Share your shipment dimensions, weight and route details. We’ll confirm conversions and provide a transparent shipping plan.
FAQs
Frequently asked questions
Quick answers to common conversion questions—clear, practical, and logistics-ready.
01 Are conversion factors universal?
Most unit conversions are standard. Freight rules like volumetric divisors can vary by carrier and service type.
02 Which conversions matter most in logistics?
CBM conversions and volumetric (dimensional) weight calculations are critical for freight costing.
03 Can incorrect conversions affect customs clearance?
Yes. Incorrect declarations can lead to reassessments, delays and compliance issues.
Still have questions?
Talk to our logistics team for conversion validation and documentation guidance.
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