Fruits
Calories in Grapefruit
42 calories per 100g · 0.8g protein · 11g carbs · 0.1g fat
42calories in 100g
Nutrition Facts
Serving size 100g
Calories
42
% Daily Value*
Total Fat 0.1g0%
Saturated Fat 0g
Cholesterol 0mg
Sodium 0mg
Total Carbohydrate 11g4%
Dietary Fiber 1.6g6%
Total Sugars 6.9g
Protein 0.8g
Vitamin C34%
Calcium2%
Iron1%
Potassium3%
*The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
Macro Breakdown
How Does Grapefruit Fit Your Diet?
% of 2,000 cal/day2%
42 cal
% of 150g protein/day1%
0.8g protein
Low calorie - 42 cal/100g makes it easy to fit in any diet.
Burn Off 42 Calories
How long to burn 100g of Grapefruit
155 lbs (70 kg)
100 lbs300 lbs
Walking
Casual pace ~5 km/h
10 min
at 155 lbs
Running
Moderate pace ~9 km/h
4 min
at 155 lbs
Cycling
Moderate effort ~20 km/h
5 min
at 155 lbs
Estimates based on MET values (ACSM). Actual calorie burn varies with fitness level, terrain, and intensity.Steps Calculator →
Is Grapefruit Healthy?
Low glycemic; note interactions with certain medications (statins, blood pressure drugs).
42kcal
Calories / 100g
0.8g
Protein / 100g
1.6g
Fiber / 100g
0mg
Sodium / 100g
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Frequently Asked Questions - Grapefruit
More Fruits Nutrition Facts
Apple
52 cal/100g
P: 0.3g · C: 14g · F: 0.2g
Banana
89 cal/100g
P: 1.1g · C: 23g · F: 0.3g
Orange
47 cal/100g
P: 0.9g · C: 12g · F: 0.1g
Strawberries
32 cal/100g
P: 0.7g · C: 7.7g · F: 0.3g
Blueberries
57 cal/100g
P: 0.7g · C: 14g · F: 0.3g
Raspberries
52 cal/100g
P: 1.2g · C: 12g · F: 0.7g
Mango
60 cal/100g
P: 0.8g · C: 15g · F: 0.4g
Pineapple
50 cal/100g
P: 0.5g · C: 13g · F: 0.1g
Put These Numbers to Work
Use our free tools to calculate exactly how Grapefruit fits your daily macro targets.