A medium guava carries only about 37–45 calories, yet it is one of the most nutrient-dense fruits you can eat. Here is the full breakdown — per fruit and per 100 grams — plus why guava is a smart choice for weight management.
Calories in guava at a glance
Guava is one of those rare fruits that is both satisfying and very low in calories. A medium guava (roughly 55 grams) has only about 37–45 calories, depending on size and ripeness. Per 100 grams, guava sits at roughly 68 calories.
That makes it lighter than banana, mango or grapes for the same weight, while delivering far more fibre and vitamin C. Treat all figures here as general nutrition information — exact values vary by variety and ripeness.
Full nutrition per 100 grams
Approximate values for fresh guava flesh.
| Nutrient | Per 100 g | Notes |
|---|---|---|
| Calories | ~68 kcal | Low for a sweet fruit |
| Carbohydrates | ~14 g | Mostly natural fruit sugars |
| Fibre | ~5 g | Very high — about 18% of daily needs |
| Protein | ~2.6 g | High for a fruit |
| Fat | ~1 g | Negligible |
| Vitamin C | ~200+ mg | Several times an orange, gram for gram |
| Potassium | ~400 mg | Supports blood pressure |
Per single guava
How the numbers translate to the fruit in your hand.
| Size | Approx weight | Calories | Fibre | Protein |
|---|---|---|---|---|
| Small | ~40 g | ~27 kcal | ~2 g | ~1 g |
| Medium | ~55 g | ~37–45 kcal | ~3 g | ~1.4 g |
| Large | ~100 g | ~68 kcal | ~5 g | ~2.6 g |
How much protein is in a guava?
For a fruit, guava is unusually high in protein — about 2.6 grams per 100 grams, or roughly 1.4 grams in a medium fruit.
It will not replace a protein source like dal, eggs or paneer, but among fruits it is one of the better contributors, which is part of why it keeps you feeling full.
Why guava is smart for weight management
Four reasons guava earns its place in a calorie-aware diet.
- Very low calorie density — you can eat a satisfying portion for very few calories.
- High fibre — keeps you full for longer and slows sugar release, reducing cravings.
- Natural sweetness — satisfies a sweet craving without a calorie-heavy dessert.
- Low glycaemic load when eaten whole — gentler on blood sugar than juice or many other fruits.
Whole fruit vs guava juice
The calorie count changes the moment you juice it. A glass of guava juice can contain the sugar of two or three fruits with almost none of the fibre, which means faster sugar absorption and less fullness.
For calorie control, whole guava wins comfortably. Keep juice as an occasional treat.
Frequently asked questions
How many calories are in one guava?+
A medium guava (about 55 g) has roughly 37–45 calories. A large 100 g guava has about 68 calories. It is one of the lowest-calorie sweet fruits.
How much protein is in a guava?+
About 2.6 grams per 100 grams, or roughly 1.4 grams in a medium fruit — high for a fruit, though not a replacement for a main protein source.
Is guava good for weight loss?+
Yes. It is low in calories, high in fibre and naturally sweet, so it satisfies cravings and keeps you full — all helpful for weight management when eaten as whole fruit rather than juice.
How many calories in 100g of guava?+
About 68 calories per 100 grams, along with roughly 5 g fibre, 2.6 g protein and a very high dose of vitamin C.
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