Is hot fudge sundae keto?

Hot fudge sundae

Not keto No — hot fudge sundae is not keto-friendly.

A fast-food sundae has about 48 g net carbs from the soft-serve and fudge sauce.

Nutrition per serving

1 sundae · 158 g
Net carbs
48g
Calories
284kcal
Protein
5.6g
Fat
8.6g
Total carbs
48 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 239%

About 16.6 g of hot fudge sundae adds up to 5 g net carbs — about 10% of a typical serving.

Nutrition facts for hot fudge sundae
NutrientPer servingPer 100 g
Calories284 kcal180 kcal
Total carbohydrate48 g30 g
Dietary fiber0 g0 g
Net carbs48 g30 g
Protein5.6 g3.6 g
Fat8.6 g5.5 g

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Better keto swaps for hot fudge sundae

Keto substitutes for desserts & sweets 6 alternatives with carb comparisons and recipes Read guide

Frequently asked questions

Is hot fudge sundae keto?

No — hot fudge sundae is not keto-friendly. A fast-food sundae has about 48 g net carbs from the soft-serve and fudge sauce.

How many net carbs are in hot fudge sundae?

1 sundae (158 g) of hot fudge sundae has about 48 g net carbs (48 g total carbs minus 0 g fiber). Per 100 g, that's 30 g net carbs.

How much hot fudge sundae can I eat on keto?

About 16.6 g of hot fudge sundae adds up to 5 g net carbs — about 10% of a typical serving. On a typical 20 g daily limit, one serving uses about 239% of your carbs.

What is a good keto substitute for hot fudge sundae?

More sweets & desserts

Full sweets & desserts list

Source: USDA FoodData Central (SR Legacy #173276): Fast foods, sundae, hot fudge. Net carbs = total carbohydrate − fiber. Rating: Not keto — More than about 10 g net carbs per typical serving. Swap it for a low-carb alternative. How we rate foods. Last reviewed October 18, 2026.

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