Black Beans vs Sourdough Bread
Side-by-side macro comparison. Black Beans vs Sourdough Bread per their standard serving sizes.
Black Beans
per 1 cup cooked (172g)
Sourdough Bread
per 1 slice (36g)
Macro Comparison Table
| Macro | Black Beans | Sourdough Bread | Difference |
|---|---|---|---|
| Calories | 227 cal | 93 cal | +144% Black |
| Protein | 15g | 4g | +275% Black |
| Carbs | 41g | 18g | +128% Black |
| Fat | 0.9g | 0.6g | +50% Black |
Differences shown relative to Black Beans. Positive = Black Beans has more.
Quick Take
Black Beans delivers 227 calories per serving with 15g protein, 41g carbs, and 0.9g fat. Sourdough Bread delivers 93 calories with 4g protein, 18g carbs, and 0.6g fat. The most meaningful difference: Sourdough Bread saves 134 calories per serving — meaningful over a week of meals. For protein density per calorie, Black Beans wins at 26% of calories from protein.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Sourdough Bread gives you 134 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), Black Beans delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Black Beans brings 227 calories — useful when you're chasing a surplus and struggling to eat enough. Black Beans delivers 15g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.
For Keto / Low-Carb
Sourdough Bread fits cleanly into keto with only 18g carbs. Black Beans at 41g carbs uses significantly more of your daily 20-30g carb budget.
Frequently Asked
Which has more protein, Black Beans or Sourdough Bread?
Black Beans has more protein: 15g vs 4g per serving. That's a difference of 11g.
Which has fewer calories, Black Beans or Sourdough Bread?
Sourdough Bread has 93 calories per serving vs 227 calories in Black Beans — a difference of 134 calories.
Is Black Beans or Sourdough Bread better for keto?
Sourdough Bread is the better keto choice at 18g carbs per serving vs 41g carbs in Black Beans.
Is Black Beans or Sourdough Bread better for weight loss?
For weight loss, Sourdough Bread gives you more calorie flexibility (134 cal less per serving). For preserving muscle during a deficit, Black Beans delivers more protein per calorie. Most people on cuts benefit from Black Beans.
Which Is Better for Your Goal?
🔥 Weight Loss
Black Beans
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Black Beans
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Sourdough Bread
Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.
Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.
Find Your Personal Macros
The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:
→ Calculate My Macros (Free)Related Comparisons
Other ways Black Beans and Sourdough Bread stack up:
Full Black Beans guide • Full Sourdough Bread guide • All comparisons