White Grapefruit juice Calories and Nutrition Facts
White Grapefruit juice has 37 calories per 100 g, with 0.6 g protein, 7.6 g carbs and 0.7 g fat. Official USDA analytical record: Grapefruit juice, white, canned or bottled, unsweetened (FDC ID: 325287).
One standard serving of white grapefruit juice (1 cup (257 g)) contains 95 calories, 1.5g protein, 19.5g total carbs (19g net carbs), and 1.8g fat. Per 100 grams, it supplies 37 calories.
Energy density
0.37 kcal/g
very low
Protein / 100 kcal
1.6 g
satiety per calorie
Net carbs / 100 g
7.4 g
carbs minus fibre
100 kcal portion
270 g
≈ 9.5 oz
- Sugars
- 19.8g
- Fibre
- 0.5g
- Saturated fat
- 0g
- Sodium
- 3mg
White Grapefruit juice Portion & Serving Size Comparison
Compare calories, carbs, net carbs, and macros across common household measurements.
| Portion Size | Weight | Calories | Total Carbs | Net Carbs | Protein | Fat |
|---|---|---|---|---|---|---|
| 100 g | 100 g | 37 kcal | 7.6 g | 7.4 g | 0.6 g | 0.7 g |
| 1 cup (257 g) | 257 g | 95 kcal | 19.5 g | 19 g | 1.5 g | 1.8 g |
Grapefruit juice, white, canned or bottled, unsweetened nutrition facts
The table below shows the complete nutritional profile for grapefruit juice, white, canned or bottled, unsweetened per 100 g (the laboratory analytical standard) and per 1 cup (257 g), alongside the share of the FDA Daily Value each nutrient covers. Most of its calories come from carbohydrate, and it is relatively low in calories.
| Nutrient | Per 100 g | Per 1 cup (257 g) | % DV* |
|---|---|---|---|
| Calories | 37 kcal | 95 kcal | — |
| Protein | 0.6 g | 1.5 g | 1% |
| Carbohydrate | 7.6 g | 19.5 g | 3% |
| Fat | 0.7 g | 1.8 g | 1% |
| Sugars | 7.7 g | 19.8 g | — |
| Fibre | 0.2 g | 0.5 g | 1% |
| Saturated fat | 0 g | 0 g | 0% |
| Sodium | 1 mg | 3 mg | 0% |
*Percent Daily Value per 100 g, against the FDA reference intakes for adults and children 4+ years (50 g protein, 275 g carbohydrate, 28 g fibre, 78 g fat, 20 g saturated fat, 2300 mg sodium). Total sugars has no Daily Value — the 50 g reference applies to added sugars only, and USDA reports total sugars here.
White Grapefruit juice calories by weight: ounces, pounds and grams
USDA publishes this food per 100 g, so here is the same profile converted to the weights a kitchen scale and a US recipe actually use. At 0.37 kcal per gram (very low energy density), you can eat a large volume of this for very few calories, which makes it useful for filling out a meal in a deficit.
| Amount | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 oz (28 g) | 10 kcal | 0.2 g | 2.2 g | 0.2 g |
| 100 g (3.5 oz) | 37 kcal | 0.6 g | 7.6 g | 0.7 g |
| 4 oz (113 g) | 42 kcal | 0.7 g | 8.6 g | 0.8 g |
| 8 oz / ½ lb (227 g) | 84 kcal | 1.4 g | 17.2 g | 1.6 g |
| 1 lb (454 g) | 168 kcal | 2.7 g | 34.5 g | 3.2 g |
Data sourced from USDA FoodData Central Foundation Foods dataset (public domain, CC0). Laboratory food profile and analytical measurements verified under USDA FDC ID 325287.
View raw USDA laboratory entry →How white grapefruit juice compares to other fruits
Against the 44 fruits in this database, white grapefruit juice ranks 5th lowest in calories and 26th highest in protein. The category averages 72 kcal per 100 g, so this one is 49% below it. The lightest option in the category is watermelon, seedless, rind only, raw at 19 kcal per 100 g, and the protein leader is figs, dried, uncooked at 3.3 g per 100 g.
| Fruits (by calories) | Calories | Protein | kcal/g |
|---|---|---|---|
| 🍈 Melons, cantaloupe, raw | 34 kcal | 0.8 g | 0.34 |
| 🍓 Strawberries, raw | 36 kcal | 0.6 g | 0.36 |
| 🍇 Grapefruit juice, white, canned or bottled, unsweetened (this page) | 37 kcal | 0.6 g | 0.37 |
| 🍈 Melons, honeydew, raw | 37 kcal | 0.5 g | 0.37 |
| 🍽️ Nectarines, raw | 39 kcal | 1.1 g | 0.39 |
Portion planning with white grapefruit juice
- 100 calories comes to about 270 g (9.5 oz).
- Fibre density is 0.5 g per 100 calories, covering 1% of the daily fibre target per 100 g.
- Macro split by calories: 78% carbs, 6% protein, 16% fat.
Nutrient screening detail
The badges near the top of this page come from screening the per-100 g values against the FDA nutrient-content thresholds in 21 CFR 101.54–101.62. The regulations define those claims per reference serving rather than per 100 g, so treat these as a like-for-like comparison between foods, not as a statement about a product label:
- Low calorie — 37 kcal per 100 g (≤ 40)
- Low fat — 0.7 g per 100 g (≤ 3 g)
- Low saturated fat — 0 g per 100 g (≤ 1 g)
- Sodium free — 1 mg per 100 g (< 5 mg)
Track white grapefruit juice for free
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White Grapefruit juice FAQ & Nutrition Questions
How many calories and carbs are in 1 cup (257 g) of white grapefruit juice?
One serving of 1 cup (257 g) provides 95 calories, 19.5 g total carbs (19 g net carbs), 1.5 g protein, and 1.8 g fat.
How many calories are in 100 g of white grapefruit juice?
White Grapefruit juice contains 37 calories per 100 g, with 0.6 g protein, 7.6 g carbohydrate, and 0.7 g fat. Use the interactive calculator above to scale to any custom amount.
What is the USDA FoodData Central (FDC) ID for white grapefruit juice?
The official USDA FoodData Central ID for "Grapefruit juice, white, canned or bottled, unsweetened" is FDC ID: 325287. You can view the verified laboratory analytical record on the USDA FoodData Central Database.
What is the macronutrient breakdown of white grapefruit juice?
By calories, white grapefruit juice is approximately 78% carbohydrates, 6% protein, and 16% fat.
How many calories are in an ounce of white grapefruit juice?
One ounce (28 g) of white grapefruit juice has 10 calories, with 0.2 g protein, 2.2 g carbs and 0.2 g fat. Four ounces (113 g) comes to 42 calories, and a full pound (454 g) to 168 calories.
How much white grapefruit juice is 100 calories?
About 270 g of white grapefruit juice supplies 100 calories, because it carries 0.37 kcal per gram (very low energy density). You can eat a large volume of this for very few calories, which makes it useful for filling out a meal in a deficit.
How many net carbs are in white grapefruit juice?
Per 100 g, white grapefruit juice has 7.4 g net carbs — 7.6 g total carbohydrate minus 0.2 g fibre.
Is white grapefruit juice high or low in calories for a fruit?
White Grapefruit juice sits 49% below the fruits average of 72 kcal per 100 g, ranking 5th lowest of 44 in this category.
Is this nutrition data free to use?
Yes. The data is sourced directly from USDA FoodData Central (CC0 public domain). Viewing and scaling portions here is 100% free with no sign-up — and you can log this food free in our online food diary.