General Unit Converter
Convert between units across nine categories — length, weight, volume, area, temperature, speed, time, data and pressure. Two-way conversion with one-click swap for freight and documentation work. Free for exporters and importers.
Converter
Select a category, enter a value and convert.
Freight & Documentation Support
Need help with CBM calculations, packing lists or shipping documentation? Submit your details for expert assistance.
Conversion Result
Instant result with the full formula shown below.
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Why Accurate Unit Conversion Matters in Shipping
Freight rates, packing lists and customs declarations depend on exact units: dimensions in centimeters or inches, weight in kilograms or pounds, and volume in cubic meters. A wrong conversion changes your CBM, chargeable weight and duty assessment.
This converter covers the units used across export documentation, air and sea freight, and container loading — all client-side, offline-capable and free.