How many calories in half a grapefruit?
Half a grapefruit is about 123 grams of edible part and carries about 52 calories in the pink-red variety. The peel and the white pith are not included in that weight.
Half a grapefruit with its peel and white pith removed comes to about 123 grams and, according to the pink-red grapefruit record, carries about 52 calories. As the fruit gets larger this figure rises to 70 calories; half a small grapefruit stays at 42 calories. The weight of the peel does not enter the energy calculation.
Sources
- USDA FoodData Central 174673 100 g yenilebilir kısım (Grapefruit, raw, pink and red, all areas) — ½ meyve (9,5 cm çap) = 123 g accessed: 2026-08-22
- USDA FoodData Central 173033 100 g yenilebilir kısım (Grapefruit, raw, pink and red and white, all areas) — ½ küçük 100 g, ½ orta 128 g, ½ büyük 166 g accessed: 2026-08-22
- TÜBER 2022 — Türkiye Beslenme Rehberi Ek 2.1.9, s. 270 1 standart porsiyon meyve = 150 g (dipnot 1: diğer tüm meyveler için) accessed: 2026-08-22
- TÜBER 2022 — Türkiye Beslenme Rehberi Ek 2.1.11, s. 272 şeker, 1 tatlı kaşığı dolu / 10 g = ½ standart miktar (1 standart miktar 75 kkal) accessed: 2026-08-22
General information notice. This content is prepared to support general nutrition literacy; it does not replace medical diagnosis or treatment and is not personal nutrition advice. A plan tailored to you can only be prepared by a licensed dietitian; if you are pregnant, have a chronic condition, take regular medication, are feeding a child, or have a clinical condition, a physician and dietitian check is required before starting a plan.
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