A typical serving of guava (1 guava, 55 g) has about 37 calories. Per 100 g: 68 kcal, 2.6 g protein, 14.3 g carbs, 1 g fat. The same 100 g carries 5.4 g of fiber and 8.9 g of sugar. Most of the energy comes from carbohydrate.
| Serving | Weight | Calories |
|---|---|---|
| 1 guava | 55 g | 37 kcal |
| 1 cup | 165 g | 112 kcal |
| 100 g | 100 g | 68 kcal |
Unusually high in both fiber and vitamin C for a fruit this small. On the energy-density scale, 68 kcal per 100 g puts guava at the low end. Fiber is the standout at 5.4 g per 100 g, which slows a portion down more than the calorie count suggests.
A typical serving (1 guava, 55 g) has about 37 calories, and 100 g has 68 kcal. Calories scale with weight, so double the portion means double the number.
There are 2.6 g of protein in 100 g of guava, which works out to about 1.4 g per serving (1 guava). Treat it as an energy source rather than a protein source.
There are 14.3 g of carbohydrate per 100 g of guava, or about 8 g in 1 guava (55 g).
Every value on this page comes from USDA FoodData Central, entry 173044 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.
Snap a photo of your plate in Joules and the calories and macros for guava are logged for you.
Get JoulesA note on accuracy: calculators like this one provide estimates based on population-level formulas — your real needs vary with genetics, muscle mass, medical conditions, and more. Results are for information only and are not medical advice, a diagnosis, or a prescription. Talk to a doctor or registered dietitian before making significant changes to your diet or exercise, especially if you have a health condition, are pregnant, or are under 18.
Nutrition data: USDA FoodData Central, FDC ID 173044 (SR Legacy). Serving calories are computed from the per-100-g values.
