Keto-Friendly Fruits: 15 Lowest-Carb Fruits Ranked

The most keto-friendly fruits are avocado (~1.8g net carbs per 100g), lemons and limes, raspberries, strawberries, and blackberries. For keto, aim for fruits with 10g net carbs or less per 100g and keep your total daily carbs around 20-50g. Berries and avocado fit easily; bananas, grapes, and mangoes do not.

Fruit is the trickiest food group on a low-carb diet. It's healthy and full of fiber, but natural sugars add up fast — one banana can blow your whole carb budget. The good news is that several fruits are genuinely keto-friendly when you watch the portion. Below, 15 fruits ranked by net carbs, lowest first.

15 keto fruits ranked by net carbs

Net carbs = total carbs minus fiber. These are conservative values per 100g (about 3.5 oz). You can look up and log any of these in CarbMeNot to see exact net carbs for your portion.

Fruit	Net carbs (per 100g)	Keto-friendly?
Avocado	1.8g	Yes
Lime	1.7g	Yes
Lemon	2.5g	Yes
Blackberries	4.3g	Yes
Raspberries	5.4g	Yes
Strawberries	5.7g	Yes
Watermelon	7.1g	In moderation
Cantaloupe	7.4g	In moderation
Peach	8.0g	In moderation
Orange	9.4g	In moderation
Apple	11.4g	Limit
Blueberries	12.1g	Limit
Pineapple	11.7g	Limit
Grapes	15.4g	Avoid
Banana	20.2g	Avoid

Browse the full keto-friendly fruits database for serving-size breakdowns and more options.

What makes a fruit keto-friendly?

A fruit is keto-friendly when it's low in sugar and high in fiber, which keeps net carbs down. On keto, most people stay under 20-50g net carbs per day, so a single fruit serving needs to leave room for the rest of your food.

A practical rule: choose fruits with 10g net carbs or less per 100g, and watch portion size even then. Avocado is technically a fruit and the gold standard at ~1.8g net carbs — it's mostly healthy fat and fiber. Berries work because fiber offsets much of their sugar. By contrast, tropical fruits and grapes are sugar-dense and add up almost as fast as candy.

Fiber matters because it's the lever that turns "total carbs" into "net carbs." Raspberries, for example, are nearly half fiber by carbohydrate weight, which is why they land so low on the list.

The best keto fruits

These are the fruits you can eat with the least worry:

• Avocado (1.8g): The most keto-friendly fruit, period. High in fat, nearly carb-free, and endlessly versatile. See the full avocado breakdown.
• Lemons and limes (1.7-2.5g): Used in small amounts for flavor, they barely register. A squeeze in water or over fish is essentially free.
• Blackberries (4.3g): The lowest-carb berry, with the most fiber.
• Raspberries (5.4g): Almost as low, and great for keto desserts.
• Strawberries (5.7g): The most popular keto berry — a half-cup is a satisfying, low-impact treat. See strawberries.

A handful of mixed berries with full-fat Greek yogurt or cream is one of the easiest keto-friendly snacks there is. For more pairing ideas, see our keto food list.

Fruits to limit on keto

Some fruits aren't off-limits, but the portion does the heavy lifting:

• Watermelon (7.1g) and cantaloupe (7.4g): Refreshing and lower than they seem, but easy to overeat. A small wedge is fine; a big bowl isn't. Check watermelon before you serve up.
• Blueberries (12.1g): Often called a superfood, but more than double the carbs of strawberries. Keep portions to a small scatter. See blueberries.
• Apples (11.4g), oranges, and pineapple: Whole servings push past most keto budgets quickly.

And the ones to generally avoid: grapes (15.4g), mangoes, and bananas (20.2g). A medium banana is around 23g net carbs — an entire day's worth for many keto eaters. See the banana numbers if you need convincing.

How much fruit can you eat on keto?

It depends on your daily carb target and what else you're eating, but a useful guideline is to keep fruit to one small serving per day and build it from the low-carb end of the list.

In practice, that looks like half a cup of berries (around 5-7g net carbs) or a few slices of avocado. If your daily budget is 20g net carbs, a half-cup of strawberries uses only about a quarter of it — manageable. The same budget spent on a banana leaves you with essentially nothing for the rest of the day.

Because carb tolerance varies from person to person, the safest move is to log what you eat for your first couple of weeks. CarbMeNot makes this fast: search a fruit, set your portion, and see the net carbs instantly so a "harmless" snack never quietly knocks you out of ketosis.

Track your fruit carbs the easy way

You don't have to memorize a chart. Snap a photo of your fruit (or your whole plate) with the CarbMeNot app and it identifies the food and logs net carbs for you automatically — no manual lookups, no guesswork. It's the simplest way to keep fruit in your keto diet without accidentally going over.

Key takeaways

• Avocado (~1.8g), lemons, limes, and berries are the most keto-friendly fruits.
• Aim for fruits with 10g net carbs or less per 100g, and keep total daily carbs around 20-50g.
• Fiber is what makes berries work — it lowers net carbs.
• Limit melons and blueberries; avoid grapes, mangoes, and bananas (~20.2g).
• Carb tolerance varies, so log your portions with CarbMeNot to stay on track.