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Last updated: Aug 9, 2026
Sonic

Rainbow Slush, 20 oz

Limited Time OnlyPopular

Sonic Rainbow Slush, 20 oz is carb-leaning, with about 100% of macro calories from carb. Each serving has 310 calories, 0g protein, 83g carbs, and 0g fat, making it a lighter restaurant option to compare with larger meals.

1 serving
Serving Size
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310
Calories
Per serving
0 g
Protein
83 g
Carbs
0 g
Fat

Nutrition Facts

Amount per serving

Calories310 kcal
% Daily Value*
Total Fat 0 g0%
Saturated Fat 0 g0%
Trans Fat 0 g—
Cholesterol 0 mg0%
Sodium 50 mg2%
Total Carbohydrate 83 g30%
Dietary Fiber 0 g0%
Total Sugars 81 g—
Protein 0 g0%
Vitamin A—
Vitamin C—
Vitamin D—
Calcium—
Iron—
Potassium—
Caffeine—

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.

Nutrition Breakdown

310
kcal
Protein0 g (0%)
Carbs83 g (100%)
Fat0 g (0%)
Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density0/10

0% of macro calories come from protein.

Satiety index1.3/10

Estimated from protein, fiber, calories, and fat balance.

Activity estimate78 min walk

About 31 minutes of running for these calories.

Key Nutrients

Protein 0 g0%
Fiber 0 g0%
Sodium 50 mg2%
Sugars 81 g—
Saturated Fat 0 g0%
How we calculate these values

Diet Compatibility

High protein0/10 protein density from 0g protein and 310 calories.No
Lower carb83g carbs per serving.No
Low fat0g total fat per serving.Yes
High sugar81g total sugars per serving.Yes
High sodium50mg sodium per serving.No
Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Compare with other items

Select up to 3 items to compare calories, protein, sodium, and macros.

Quick comparisons

Rainbow Slush, 20 oz has 240 more calories than Add American Cheese and 3g less protein. Compare

Rainbow Slush, 20 oz has 250 more calories than Add Bacon and 4g less protein. Compare

Compare with Add American Cheese

Rainbow Slush, 20 oz Compared With Nearby Items

Sonic Rainbow Slush, 20 oz is listed in the Limited Time Only category with 310 calories, 0g protein, 83g carbs, and 0g fat per serving.

Data Source and Methodology

Nutrition values for Rainbow Slush, 20 oz are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 9, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

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