A somewhat bitter citrus fruit renowned for its weight loss benefits. Whether your goal is keto, weight loss, or bodybuilding, here is the full nutritional breakdown you need to hit your macronutrient goals.
💡 Serving Size Guide
A standard serving of 1/2 medium weighs approximately 123g.
That means one serving contains 52 calories,
1.0g of protein,
and 13.2g of carbs.
42Calories per 100g
0.8gProtein
10.7gCarbs
0.1gFat
Calories in any amount of Grapefruit
Weigh your portion and type it in. Values scale from the 100g figures above.
52 kcal ·
1g protein ·
13.2g carbs ·
0.1g fat
Grapefruit calories and macros by amount
Amount
Calories
Protein
Carbs
Fat
1 oz
12 kcal
0.2g
3g
0g
50 g
21 kcal
0.4g
5.4g
0.1g
100 g
42 kcal
0.8g
10.7g
0.1g
1 serving: 1/2 medium (123 g)
52 kcal
1g
13.2g
0.1g
150 g
63 kcal
1.2g
16.1g
0.2g
200 g
84 kcal
1.6g
21.4g
0.2g
250 g
105 kcal
2g
26.8g
0.3g
300 g
126 kcal
2.4g
32.1g
0.3g
500 g
210 kcal
4g
53.5g
0.5g
1 lb
191 kcal
3.6g
48.5g
0.5g
Grapefruit Micronutrients (100g)
Dietary Fiber1.6 g
Total Sugars6.9 g
Net Carbs (Total Carbs - Fiber)9.1 g
Frequently Asked Questions
Is Grapefruit good for weight loss?
With 42 calories per 100g, Grapefruit can absolutely be part of a healthy diet.
Because it contains 1.6g of dietary fiber and 0.8g of protein, it helps regulate
satiety. Weight loss ultimately depends on your overall daily caloric deficit (TDEE).
Can I eat Grapefruit on a Keto Diet?
The ketogenic diet requires you to monitor your Net Carbs. A 100g serving of Grapefruit has
9.1g of net carbs (10.7g total minus 1.6g fiber).
This makes it highly compatible with low-carb and keto diets.
Does Grapefruit have high protein?
Providing 0.8g of protein per 100g, Grapefruit is lower in protein. You may want to pair it with higher-protein foods to hit your macro targets.
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