Half and Half vs Peanut Butter
Side-by-side macro comparison. Half and Half vs Peanut Butter per their standard serving sizes.
Macro Comparison Table
| Macro | Half and Half | Peanut Butter | Difference |
|---|---|---|---|
| Calories | 20 cal | 188 cal | -89% Half |
| Protein | 0.4g | 8g | -95% Half |
| Carbs | 0.6g | 6g | -90% Half |
| Fat | 1.7g | 16g | -89% Half |
Differences shown relative to Half and Half. Positive = Half and Half has more.
Quick Take
Half and Half delivers 20 calories per serving with 0.4g protein, 0.6g carbs, and 1.7g fat. Peanut Butter delivers 188 calories with 8g protein, 6g carbs, and 16g fat. The most meaningful difference: Half and Half saves 168 calories per serving — meaningful over a week of meals. For protein density per calorie, Peanut Butter wins at 17% of calories from protein.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Half and Half gives you 168 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), Peanut Butter delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Peanut Butter brings 188 calories — useful when you're chasing a surplus and struggling to eat enough. Peanut Butter delivers 8g 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
Both Half and Half and Peanut Butter are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Half and Half or Peanut Butter?
Peanut Butter has more protein: 8g vs 0.4g per serving. That's a difference of 7.6g.
Which has fewer calories, Half and Half or Peanut Butter?
Half and Half has 20 calories per serving vs 188 calories in Peanut Butter — a difference of 168 calories.
Is Half and Half or Peanut Butter better for keto?
Half and Half is the better keto choice at 0.6g carbs per serving vs 6g carbs in Peanut Butter.
Is Half and Half or Peanut Butter better for weight loss?
For weight loss, Half and Half gives you more calorie flexibility (168 cal less per serving). For preserving muscle during a deficit, Peanut Butter delivers more protein per calorie. Most people on cuts benefit from Peanut Butter.
Which Is Better for Your Goal?
🔥 Weight Loss
Half and Half
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Peanut Butter
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Half and Half
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 Half and Half and Peanut Butter stack up:
Full Half and Half guide • Full Peanut Butter guide • All comparisons