Arby's · Slow Roasted Beef
Double Roast Beef
Serving: 239 g
38gprotein
510calories
38gcarbs
24gfat
Protein per 100 cal: 7.5g
- Fiber
- 2 g
- Sugar
- 5 g
- Sodium
- 1610 mg
Source: Arby's nutrition PDF · vintage 2026. Chain menus change — treat older vintages as a guide, not gospel.
Tweak it
Small swaps, big macro differences. Deltas are estimates from Arby's's own published numbers — the official nutrition above doesn't change.
Size down: Classic Roast Beef
-150 cal-15g protein
Arby's 2026 nutrition: Double Roast Beef at 510 cal / 38g protein, Classic Roast Beef at 360 / 23g.
Size up: Half Pound Roast Beef
+100 cal+10g protein
Arby's 2026 nutrition: Double Roast Beef at 510 cal / 38g protein, Half Pound Roast Beef at 610 / 48g.
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