How many calories are in a small tub of custard?

November 30, 2025 •

3 min read

According to typical product data, a small 150g tub of ready-to-eat custard contains approximately 144 to 165 calories. The exact amount depends on the brand, ingredients, and whether it's a standard or low-fat variety. This article explains how to determine how many calories are in a small tub of custard for your dietary planning.

Quick Summary

A small tub of custard typically contains between 144 and 165 calories, varying by brand and fat content. Key factors like ingredients, specific portion size, and low-fat variations significantly influence the total caloric value. Understanding these differences allows for better nutritional tracking and healthier choices.

Key Points

Typical Calorie Range: A standard 150g single-serve custard pot has approximately 144 to 165 calories, but mini-pots (110g) can be as low as 110 kcal.
Recipe Varies Calories: The total calorie count is highly dependent on ingredients like the type of milk (whole vs. skimmed) and the amount of sugar and fat used.
Low-Fat Options: Many brands offer lower-calorie versions, which are a good option for those managing their calorie intake.
Check the Label: Always consult the product's nutrition label for the most accurate information on a specific tub of custard.
Control Your Portions: To manage calories, it's best to measure out a single serving instead of eating directly from a larger tub.
Homemade Offers Control: Making custard at home gives you full control over the ingredients, allowing you to reduce sugar and fat content for a healthier option.

Understanding the Calorie Count in a Small Tub of Custard

Determining the exact calorie count for a small tub of custard isn't as straightforward as it seems, because 'small' isn't a standardized size. Brands offer tubs ranging from 55g mini pots to more standard 150g or 175g single-serving pots. However, based on common products like Ambrosia's 150g pot, the calorie count typically falls in the 144-165 kcal range. This number is heavily influenced by the recipe's ingredients, such as the type of milk, amount of sugar, and added fats.

Factors Influencing Calorie Content

Several factors can alter the nutritional breakdown of custard from one brand to the next:

Ingredients: Custards made with whole milk and high sugar content will naturally have more calories than those using skimmed milk or artificial sweeteners. Frozen custard, often richer with egg yolks and cream, also packs a higher caloric punch than standard chilled varieties.
Portion Size: A 'small tub' can be deceiving. A 110g mini pot from one brand will have fewer calories than a 150g single-serve pot from another, even if their recipes are identical per 100g.
Low-Fat Variations: Many brands offer low-fat alternatives specifically designed to reduce calorie intake. These products swap out high-fat ingredients for lower-calorie alternatives, drastically reducing the overall energy value.
Homemade vs. Store-bought: A homemade custard's calorie count depends entirely on the ingredients you use. You have full control over the milk, sugar, and fat content, allowing for a much lower-calorie version if desired.

Comparing Different Custard Options

For a clear comparison, let's look at the approximate calorie counts based on common custard types and serving sizes.


Custard Type	Approx. Serving Size	Approx. Calories	Key Differentiators
Standard Ready-to-Eat	150g pot	144-165 kcal	Made with whole milk, moderate sugar.
Mini-Pot Ready-to-Eat	110g portion	110 kcal	Smaller portion size, often low-fat options.
Homemade (Whole Milk)	150g portion	170-200+ kcal	Varies greatly based on recipe, eggs, and sugar used.
Low-Fat Ready-to-Eat	150g pot	~125 kcal	Uses skimmed milk and fewer fats.

How to Accurately Track Custard Calories

When counting calories, always rely on the most accurate source available: the product label. It will provide a detailed nutritional breakdown for a specific portion or per 100g, allowing you to calculate the exact calories for the size of the tub you are eating. For homemade versions, calculating the total calories of all ingredients and dividing by the number of servings is the most accurate approach.

Tips for a Healthier Custard Indulgence

Opt for Low-Fat: If you want to enjoy custard regularly, switching to a low-fat version is a simple way to cut calories. Many brands offer low-fat custards that maintain a creamy texture and great taste.
Control Portion Size: Instead of eating directly from a larger tub, measure out a single serving. This prevents overconsumption and keeps your calorie intake in check.
Make It at Home: This is the most effective way to control the sugar and fat content. Experiment with skimmed milk and natural, lower-calorie sweeteners to create a lighter treat without sacrificing flavour. For example, using less sugar or replacing some of it with a sweetener will significantly reduce the calories.
Pair with Healthy Toppings: Instead of high-calorie add-ons like biscuits or sugary sauces, serve your custard with fresh fruit. Strawberries, raspberries, or bananas add flavor, nutrients, and fiber without a high-calorie penalty.

Conclusion

A small tub of custard typically contains between 144 and 165 calories, with variations depending on brand, recipe, and portion size. By understanding these factors, you can make informed decisions that align with your dietary goals. For accurate calorie tracking, always check the product's nutrition label. For those seeking a healthier dessert, choosing a low-fat option or making your own custard at home offers great alternatives. It is important to note that these values are averages based on available nutritional information. Custard nutrition facts and analysis can provide more detailed information.

A Final Note on Custard and Diet

While custard can be part of a balanced diet, it's essential to consume it in moderation due to its sugar and saturated fat content. Being mindful of portion sizes is crucial for managing your calorie intake and overall health. Enjoying it as an occasional treat is a perfectly healthy approach. Combining it with a healthy meal and regular exercise can help you maintain a balanced lifestyle.

Frequently Asked Questions

A standard 150g tub of custard typically contains 144-165 calories, whereas a low-fat version of a similar size can be closer to 125 calories.

The calories in custard powder are minimal before preparation. The bulk of the calories come from the milk and sugar added during the cooking process.

Yes, homemade custard can be healthier because you have complete control over the ingredients. You can use low-fat milk and less sugar to reduce the calorie count significantly.

Yes, you can eat custard on a calorie-controlled diet, but it's important to be mindful of portion sizes. Opting for low-fat versions can also help keep your intake lower.

Serving size is a major factor. A smaller tub will have fewer total calories than a larger one, even if the calorie content per 100g is the same. For example, a 110g pot has fewer calories than a 150g pot.

Custard can be a source of calcium and protein, especially if made with milk. Some fortified store-bought versions also contain added vitamins like vitamin D.

For low-calorie toppings, consider fresh berries like strawberries or raspberries, sliced bananas, or a sprinkle of cinnamon instead of high-sugar options.