A LD-3 (AKE) Air ULD measures 1.53 m (5′0″) long, 1.56 m (5′1″) wide and 1.63 m (5′4″) high inside — about 3.9 m³ (138 ft³) of usable space, with a maximum gross weight up to 1,588 kg (3,501 lb).
IATA LD-3 (AKE) — the standard lower-deck-hold ULD used on nearly all widebody aircraft. Contoured base narrows sharply toward the top on both long sides to clear the fuselage curvature; cargo can't use the full 1534×1562×1626mm bounding box near the roofline.
IATA figures: the weight column is maximum GROSS weight (tare included) and the volume is the IATA rated envelope. ContainerMath models the contoured shell conservatively, so a real plan fills slightly less.
| Specification | Metric | Imperial |
|---|---|---|
| Internal length | 1.53 m | 5′0″ (5 ft) |
| Internal width | 1.56 m | 5′1″ |
| Internal height | 1.63 m | 5′4″ |
| Capacity | 3.9 m³ | 138 ft³ |
| Floor area | 2.4 m² | 26 ft² |
| Max gross weight | 1,588 kg | 3,501 lb |
Internal (usable) figures, not external. Capacity is the geometric interior volume — real cargo never fills 100% of it, because pallets, dunnage and irregular shapes leave void space.
The table above is the box. What matters is how your cargo sits in it — how many units fit, where the weight lands, and whether you run out of floor or payload first. Enter your cargo and get the answer, free and without signing up.
Working out pallet counts? See how many pallets fit in a 40ft container and how many boxes fit in a container.
The industry standard for 3D container cargo packing and loading plans. Optimize layouts, maximize volume, and reduce shipping overhead.
Built by Backrock Studios