Cubestow
Fit guides7.5 t truck18 × 18 × 16 in boxes

How many 18 × 18 × 16 in boxes fit in a 7.5 t truck?

18 × 18 × 16 in boxes of 457 × 457 × 406 mm (also called 3 cubic foot boxes, medium moving boxes) in a 7.5-tonne box truck — inner dimensions 6,200 × 2,450 × 2,400 mm. Calculated by the Cubestow engine on 2026-09-08.

20018 × 18 × 16 in boxes

Boxes may be laid on any side. 47% of the space used, 5 layers high, about 2,800 kg (100% of payload). Payload-limited: 390 would fit by space alone. Open this load in the 3D planner →

20018 × 18 × 16 in boxes
5layers
47%volume used
52%of the length used
2,800 kgtotal cargo weight
2,800 kgrated payload

Top view — floor layer (40 on the floor)

6,200 mm 2,450 mm door end →
long side along the lengthturned

Side view — first row along the wall (5 layers)

2,400 mm

The answer in detail

The "3.0 cubic foot" medium moving box (18 × 18 × 16 in) is the box most US movers use for the bulk of a household. Lying it on its side gains height in some containers, which is why the any-orientation count is higher.

Typical 7.5 t rigid with a 6.2 m body. Payload is limited to roughly 2.8 t once the body and tail-lift are accounted for, so heavy cargo fills the weight allowance long before the space.

The simple grid estimate is 13 along the length × 5 across × 5 high = 325. The engine's validated plan holds 200, below the raw grid because the payload limit cap the load.

Weight, not space, is the limit here. By geometry 390 18 × 18 × 16 in boxes fit, but at about 14 kg each the rated payload of 2,800 kg is reached at 200. Road weight limits on the way to or from the port can be lower still.

Variants

Loading ruleFitsLayersVolume usedTotal weight
Boxes may be laid on any side (headline figure)200547%2,800 kg (100% of payload)
Boxes kept this-side-up (turned on the floor plane only)200547%2,800 kg (100% of payload)

How many 7.5 t trucks for a given order?

18 × 18 × 16 in boxes1002505001,0002,5005,000
7.5 t trucks needed12351325
Last one filled to50%25%50%100%50%100%

Mixed cargo, different carton sizes or delivery stops? Plan the exact shipment in 3D — free, in the browser, nothing uploaded.

Frequently asked

How many 18 × 18 × 16 in boxes fit in a 7.5 t truck?

200 18 × 18 × 16 in boxes of 457 × 457 × 406 mm fit in a 7.5 t truck (inner dimensions 6,200 × 2,450 × 2,400 mm), boxes may be laid on any side. That uses 47% of the 36.5 m³ available and weighs about 2,800 kg.

What are the inner dimensions of a 7.5 t truck?

Typical inner dimensions are 6,200 mm long, 2,450 mm wide and 2,400 mm high (244.1 × 96.5 × 94.5 in), giving 36.5 m³ of space and a rated payload of about 2,800 kg. Individual units vary by a few centimetres, so check the actual box for tight loads.

Why does the payload limit matter for 18 × 18 × 16 in boxes?

Geometrically 390 18 × 18 × 16 in boxes would fit, but at about 14 kg each the 7.5 t truck's 2,800 kg payload is reached at 200. Heavy cargo fills the weight allowance before the space.

How was this number calculated?

By running the Cubestow 3D load-planning engine on the exact dimensions above, allowing all six orientations, stacking with at least 80% base support and the container's payload limit, then re-validating the plan for overlaps, support and weight. Real loads leave room for dunnage, door clearance and uneven cartons, so treat the figure as the practical maximum.

18 × 18 × 16 in boxes in other containers and trucks

Other cargo in a 7.5 t truck

Assumptions. Cargo is modelled as rigid rectangular boxes with the outer dimensions above; the container's typical inner dimensions and rated payload are used; every box needs at least 80% of its base supported; no dunnage, straps or door clearance are reserved. The plan is one of many optimal or near-optimal arrangements — the engine's plan was checked for overlaps, support, orientation and weight, and the count is what it achieved within 1.4 s of search. Real containers vary by manufacturer; measure yours for tight loads.