Which bed length do I have on my Ram 1500?

Measure from the inside of the bulkhead (the wall right behind the cab) to the inside of the closed tailgate, at the floor. Round to the nearest half-foot and match it to the bed options in the table above for your model year - the door-jamb tag or window sticker also states it if the truck still has one.

Ram 1500 bed dimensions

The 2019-2026 Ram 1500 comes with a 5 ft 7 in bed (67.4 in long, 66.4 in wide at the floor, 51 in between the wheel wells, 21.4 in deep) or a 6 ft 4 in bed (76.3 in long).

Shop 5 ft 7 in bed tonneau covers Filtered to the Ram 1500

Key takeaways

Current generation (2019-2026): 5 ft 7 in - 67.4 in long; 6 ft 4 in - 76.3 in long.
Bed length is measured at the floor, tailgate closed, unless noted otherwise.
Between the wheel wells: 51 in on the widest bed - this is the narrowest point, not the overall box width.
We have 2 generations on file: 2019-2026 (5 ft 7 in, 6 ft 4 in); 2009-2018 (5 ft 7 in, 6 ft 4 in, 8 ft).

Ram 1500 bed dimensions by generation and bed option
Years	Cab	Bed	Length	Width at floor	Between wheel wells	Depth	Tailgate down
2019-2026	Crew Cab	5 ft 7 in	67.4"	66.4"	51"	21.4"	-
2019-2026	Quad Cab	6 ft 4 in	76.3"	66.4"	51"	21.5"	-
2019-2026	Crew Cab	6 ft 4 in	76.3"	66.4"	51"	21.5"	-
2009-2018	Crew Cab	5 ft 7 in	67.4"	66.4"	51"	20"	-
2009-2018	Regular Cab	6 ft 4 in	76.3"	66.4"	51"	20.1"	-
2009-2018	Quad Cab	6 ft 4 in	76.3"	66.4"	51"	20.1"	-
2009-2018	Crew Cab	6 ft 4 in	76.3"	66.4"	51"	20.1"	-
2009-2018	Regular Cab	8 ft	98.3"	66.4"	51"	20.2"	-

Gear for the Ram 1500 bed

Covers, mats and extenders are sold by bed length - these searches are already filtered to the 5 ft 7 in bed above; switch the length in the search if your truck has the other option.

Want the exact part? Ram 1500 tonneau covers by bed and bed mats, with each fit confirmed on the maker's own site.

Tonneau coverFiltered to the 5 ft 7 in bedShop tonneau covers Bed matDrop-in rubber mat, matched to bed lengthShop bed mats Bed extenderFolds out over the open tailgate for long loadsShop bed extenders Cargo barWedges wall-to-wall to keep loads from slidingShop cargo bars

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Will a 4x8 sheet fit flat?

Width isn't the problem - the Ram 1500's widest bed is 51 in between the wheel wells, over the 48 in a 4-foot sheet needs. Length is: at 76.3 in it falls short of the 96 in an 8-foot sheet needs, even with the tailgate down, so a full 4x8 sheet will overhang.

Same truck, other specs: Ram 1500 specs hub and battery size.

Other Ram models

2500 3500

Sources: Ram/FCA Media - 2019 Ram 1500 Specifications, Ram/FCA Media - 2016 Ram 1500 Specifications. Dimensions are the manufacturer's published figures for the trim and cab shown; aftermarket wheel/tire changes and spray-in liners can shave a fraction of an inch off the usable floor.