Arby's · Slow Roasted Beef
Classic Roast Beef
Serving: 154 g
23gprotein
360calories
37gcarbs
14gfat
Protein per 100 cal: 6.4g
- Fiber
- 2 g
- Sugar
- 5 g
- Sodium
- 970 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 up: Double Roast Beef
+150 cal+15g protein
Arby's 2026 nutrition: Classic Roast Beef at 360 cal / 23g protein, Double Roast Beef at 510 / 38g.
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