The 1st Gen Rivian R1T (2022–) bed is about 54.2 in long inside, 51.1 in wide and 18.3 in deep, with 50.0 in between the wheel wells. Below: payload, a to-scale 3D model and what overland gear fits.
Interior bed dimensions for every Rivian R1T bed in our reference data, in inches. Each generation links to its details below.
| Generation | Bed length | Length (in) | Width (in) | Width between wheel wells (in) | Depth (in) |
|---|---|---|---|---|---|
| 1st Gen (2022–) | 4 ft 6 in | 54.2 | 51.1 | 50.0 | 18.3 |
Converted from the same millimeter reference data as the 3D model below (1 in = 25.4 mm). Approximate — verify against your exact model year and trim.
Reference cargo-area dimensions for the 1st-gen (2022–) R1T bed. Every gear-fit call on this page is computed from these.

Drawn to scale from reference bed dimensions.
Dimensions are approximate and sourced from measured references — verify against your exact model year and trim before purchasing gear. Payload includes passengers and accessories; check your door-jamb sticker.
The 1st Gen R1T (2022–) bed measures about 54.2 in long, 51.1 in wide and 18.3 in deep, with 50.0 in between the wheel wells. Payload is about 1,764 lb (800 kg). The gear tunnel between the cab and the bed is not included in these numbers.
A realistic overland load against the R1T's 800 kg (1,764 lb) payload budget.

The Algorithm Overland Kitchen Cube is a modular, aircraft-grade aluminum camp kitchen that packs down to a compact 12 × 12 × 12 in (305 mm) cube to live in your truck bed, and deploys on the tailgate.
In the Rivian R1T 1st Gen (2022–), the packed cube sits flat on the bed floor, uses only 305 mm of the 1377 mm floor length and leaves about 6.3 in (160 mm) of height below the bed rail — it fits the bed with room to spare.
Exact fitment specs for every bed are in the guide above. On sale now on Kickstarter until November 4.
The 1st-gen (2022–) bed measures about 1377 × 1298 × 465 mm (54.2 × 51.1 × 18.3 in), with roughly 1270 mm (50.0 in) of floor between the wheel wells. The gear tunnel is not included. Verify against your exact model year before buying gear.
About 800 kg (1,764 lb) — including passengers and accessories, not just bed cargo. Check the door-jamb sticker.
A fridge, yes — most 40–75 L fridges are 445–935 mm long against about 1377 mm (54.2 in) of floor, and drawer systems up to about 1270 mm wide fit between the wheel wells. The limit is depth: at 465 mm (18.3 in), a tall fridge on a slide stands above the bed rail.
Yes — the 12-inch (305 mm) packed cube sits on the floor with about 160 mm (6.3 in) left below the bed rail.