Lowest-Net-Carb Fruits for Keto, Ranked Per 100 g (2026)

The top low-net-carb fruits include avocado, with 1.8 g net carbs per 100 g, and California avocado, also at 1.8 g per 100 g.

This post ranks fruits based on their net carbs per 100 grams using USDA FoodData Central data. The focus is on whole foods suitable for low-carb and keto diets.

Why Net Carbs Matters for Low-Carb and Keto Diets

Net carbs are calculated by subtracting fiber from total carbohydrates, providing a clearer picture of carbohydrate impact on blood sugar. For those following low-carb or keto diets, managing net carbs is essential for maintaining ketosis and supporting weight management. Incorporating low-net-carb fruits can help satisfy sweet cravings while adhering to dietary goals. This is educational information, not medical advice.

Lowest-Net-Carb Fruits, Ranked Per 100 g

The following table lists the lowest-net-carb fruits, ranked per 100 grams.

#	Food	Typical serving	Net carbs/serving (g)	Net carbs/100 g (g)	Calories (kcal)	Protein (g)	Fat (g)	Fiber (g)
1	Avocado (raw)	1 serving (150 g)	2.7	1.8	240	3.0	22.0	10.1
2	California Avocado (Raw)	1 avocado (230 g)	4.2	1.8	384	4.5	35.4	15.6
3	Florida Avocado (raw)	1 avocado (230 g)	5.1	2.2	276	5.1	23.1	12.9
4	Frozen Rhubarb (uncooked)	1 serving (137 g)	4.5	3.3	29	0.8	0.2	2.5
5	Starfruit (Carambola, raw)	1 fruit (132 g)	5.2	3.9	41	1.4	0.4	3.7
6	Blackberries (raw)	1 serving (144 g)	6.2	4.3	62	2.0	0.7	7.6
7	Canned Apricots (Water Pack)	1 serving (227 g)	9.9	4.4	50	1.6	0.1	2.5
8	Canned Peaches in Water	1 serving (244 g)	11.7	4.8	59	1.1	0.1	3.2
9	Raw Prickly Pear	1 piece (19 g)	0.9	4.9	8	0.0	0.0	1.0
10	Raw Lemon Peel	1 piece (6 g)	0.3	5.4	3	0.1	0.0	0.6
11	Raspberry (raw)	1 berry (123 g)	6.7	5.4	64	1.5	0.8	8.0
12	Raw Casaba Melon	1 slice (170 g)	9.7	5.7	48	1.9	0.2	1.5
13	Raw Strawberries	1 serving (152 g)	8.6	5.7	49	1.0	0.5	3.0
14	Gooseberry (raw)	1 serving (150 g)	8.8	5.9	66	1.3	0.9	6.5
15	Raw Prickly Pears	1 serving (149 g)	8.9	6.0	61	1.1	0.8	5.4

How Nutrola Tracks Net Carbs for You

Nutrola is an AI nutrition tracking app that identifies foods from a photo and returns calories and macronutrients, including net carbs, from a database of more than 1.8 million foods. It also supports barcode scanning and voice logging.

For related references, see lowest-net-carb vegetables, lowest-net-carb dairy.

How We Compiled These Numbers

Data was sourced from USDA FoodData Central SR Legacy and Foundation Foods. Serving sizes are based on USDA household weights, and values are normalized to per 100 grams for consistency. Each entry represents a single food item, focusing on educational content rather than medical advice.

Frequently Asked Questions (FAQ)

What is the net carb content of avocado?

Avocado has 1.8 g of net carbs per 100 g.

Which fruit has the lowest net carbs?

Avocado has the lowest net carbs at 1.8 g per 100 g.

How many net carbs are in blackberries?

Blackberries contain 4.3 g of net carbs per 100 g.

What is the net carb content of canned peaches?

Canned peaches have 4.8 g of net carbs per 100 g.

What is the net carb content of frozen rhubarb?

Frozen rhubarb has 3.3 g of net carbs per 100 g.

How many net carbs are in starfruit?

Starfruit has 3.9 g of net carbs per 100 g.

Key Takeaways

• Avocado has 1.8 g net carbs per 100 g.
• California avocado has 1.8 g net carbs per 100 g.
• Florida avocado has 2.2 g net carbs per 100 g.
• Frozen rhubarb has 3.3 g net carbs per 100 g.
• Starfruit has 3.9 g net carbs per 100 g.
• Blackberries have 4.3 g net carbs per 100 g.