Keto fruit: compare forms, portions, and calculated net carbs

Direct answer: fruit is not automatically included or excluded by a keto approach. The useful comparison is the named fruit in its recorded form and listed portion. Avocado, berries, whole fruit, dried fruit, canned fruit, and fruit sauces can have very different carbohydrate and fiber values.

Medical disclaimer. This article is for general educational purposes only and is not medical advice. It is not a substitute for professional diagnosis or treatment. Always consult a qualified healthcare provider before starting the ketogenic diet or making changes to your diet, exercise, or medication — especially if you are pregnant or breastfeeding, take medication, or have a medical condition such as diabetes, or kidney, liver, or heart disease. See our editorial & medical-review policy.

Compare the form before the fruit name

A fruit’s name alone omits the information that changes a nutrition record. Drying removes water; a canned product may use syrup; a sauce can contain other ingredients; and “one cup” may represent a very different amount of food from a slice or a single piece. Use the individual food page as the factual reference, then decide how that portion fits your own plan.

Explore useful fruit comparisons

↔Small-screen view: this comparison table scrolls sideways. Swipe or drag it horizontally to see every column.

Food form	Records to compare	Why the comparison is useful
Avocado as a distinct fruit record	Avocado, raw	It is botanically a fruit but has a different macronutrient profile from most sweet fruits, so it should not be treated as a proxy for the entire category.
Raw and frozen berries	Blackberries, raw, strawberries, raw, raspberries, frozen	Compare the exact raw or frozen record and its listed portion rather than relying on a generic “berries” value.
Whole fruit with a smaller listed measure	Grapefruit, raw, cantaloupe, raw, apple, raw	Portion descriptions can be a section, wedge, cup, or fruit. The page gives both the source measure and per-100 g reference.
Dried, canned, and sweetened preparations	Apple, dried, blueberries, canned, cranberry sauce	Processing can change water content or add ingredients, so these are not substitutes for their raw counterparts.

Do not turn a per-100 g comparison into a daily target

Per 100 g is the common denominator for comparing foods. The listed-portion column is calculated from the USDA portion weight so a record can also be read in a kitchen context. Neither column tells you a universal amount of fruit to eat, predicts ketosis, or accounts for the rest of a meal.

This database calculates net carbs as total carbohydrate minus dietary fiber, capped at zero. That calculation is useful for a consistent food-composition comparison, but it is not a separate USDA nutrient field. For an explanation of its limits, see how net carbs are calculated. For a packaged fruit product, use the actual label and ingredient list rather than assuming that the database record matches a current brand.

Continue from comparison to planning

For an editorial overview of fruit within a low-carbohydrate pattern, read keto-friendly fruits. The keto food list and meal-planning guide put individual choices into a whole-meal and whole-week context.

You can also compare fruit with vegetables, nuts, seeds & legumes, and snacks & sweets when deciding whether the relevant difference is the food itself, its form, or its portion.

Complete fruit record directory

Browse all 61 selected USDA records in this fruit group

Entries are grouped by food concept, then by the exact USDA food form. Open the record that matches the preparation and product you are comparing.

Apple

• Apple, rawraw
• Apple, drieddried

Applesauce

• Applesauce, unsweetenedunsweetened

Apricot

• Apricot, rawraw
• Apricot, drieddried

Asian pear

• Asian pear, rawraw

Avocado

• Avocado, rawraw

Banana

• Banana, rawraw

Banana chips

• Banana chipswhole food

Blackberries

• Blackberries, rawraw

Blueberry

• Blueberries, rawraw
• Blueberries, cannedcanned
• Blueberries, drieddried
• Blueberries, frozenfrozen

Cantaloupe

• Cantaloupe, rawraw

Cherries

• Cherries, rawraw
• Cherries, drieddried

Clementine

• Clementine, rawraw

Cranberries

• Cranberries, rawraw
• Cranberries, drieddried

Cranberry sauce

• Cranberry sauceingredient

Currants

• Currants, drieddried

Date

• Datewhole food

Dragon fruit

• Dragon fruitwhole food

Fig

• Fig, rawraw
• Fig, drieddried

Grapefruit

• Grapefruit, rawraw

Grapes

• Grapes, rawraw

Guava

• Guava, rawraw

Honeydew melon

• Honeydew melon, rawraw

Kiwi fruit

• Kiwi fruit, rawraw

Kumquat

• Kumquat, rawraw

Lemon

• Lemon, rawraw

Lime

• Lime, rawraw

Lychee

• Lycheewhole food

Mango

• Mango, rawraw
• Mango, drieddried
• Mango, frozenfrozen

Nectarine

• Nectarine, rawraw

Orange

• Orange, rawraw

Papaya

• Papaya, rawraw

Passion fruit

• Passion fruit, rawraw

Peach

• Peach, rawraw
• Peach, drieddried
• Peach, frozenfrozen

Pear

• Pear, rawraw
• Pear, drieddried

Persimmon

• Persimmon, rawraw

Pineapple

• Pineapple, rawraw
• Pineapple, frozenfrozen

Plum

• Plum, rawraw

Pomegranate

• Pomegranate, rawraw

Prune

• Prune, drieddried

Raisins

• Raisinswhole food

Raspberry

• Raspberries, rawraw
• Raspberries, frozenfrozen

Starfruit

• Starfruit, rawraw

Strawberries

• Strawberries, rawraw

Tamarind

• Tamarindwhole food

Tangerine

• Tangerine, rawraw

Watermelon

• Watermelon, rawraw

Source and method

The food entries in this hub come from USDA FoodData Central’s Survey (FNDDS) release. Each linked page shows its own source description, FoodData Central ID, preparation state, portion weight, and nutrient values. The directory does not infer values for a fruit variety, recipe, or package that is not the same as the listed record.

1. U.S. Department of Agriculture, Agricultural Research Service. FoodData Central Survey (FNDDS) 2021–2023, released October 31, 2024. FoodData Central documentation, dataset downloads

Article history

1. August 24, 2026First published