Almond milk can be relatively low in calories, particularly when it is unsweetened, but the exact number varies considerably between products.

Added sugar, almond concentration, added oils and flavorings can all change the nutrition profile.

For an unsweetened almond drink, a practical representative range is approximately:

13–30 kcal per 100 ml

That means a 250 ml glass may contain roughly:

33–75 kcal

Some products fall outside this range, so the package label remains the best source for a specific product.

Almond milk calories at a glance

A useful general comparison is:

Type Approximate calories per 100 ml Approximate calories per 250 ml
Unsweetened almond milk 13–30 kcal 33–75 kcal
Sweetened almond milk 30–50 kcal 75–125 kcal
Flavored almond milk 35–60+ kcal 88–150+ kcal
Barista-style almond drink 30–60+ kcal 75–150+ kcal

These are broad ranges rather than fixed values.

Always use the nutrition label when tracking a specific brand.

How many calories are in unsweetened almond milk?

Unsweetened almond milk is usually the lowest-calorie version.

Many commercial products provide around:

13–30 kcal per 100 ml

For example, if your carton lists:

15 kcal per 100 ml

then:

  • 100 ml = 15 kcal;
  • 200 ml = 30 kcal;
  • 250 ml = 38 kcal;
  • 300 ml = 45 kcal;
  • 500 ml = 75 kcal.

The calculation is:

calories per 100 ml × amount consumed ÷ 100

For 250 ml:

15 × 250 ÷ 100 = 37.5 kcal

which can be rounded to approximately 38 kcal.

Calories in a glass of almond milk

There is no universal glass size.

A small glass may contain 150–200 ml, while a larger glass can hold 300 ml or more.

Using an almond drink with 20 kcal per 100 ml:

Amount Calories
100 ml 20 kcal
150 ml 30 kcal
200 ml 40 kcal
250 ml 50 kcal
300 ml 60 kcal
400 ml 80 kcal
500 ml 100 kcal

For accurate tracking, measuring the volume is more reliable than entering a generic "glass."

Why is almond milk often low in calories?

Commercial almond milk is usually not equivalent to eating a large quantity of whole almonds in liquid form.

Many products contain a substantial proportion of water and a relatively modest amount of almonds.

Whole almonds are energy-dense because they contain significant fat.

When a drink contains only a small amount of almond material diluted with water, the resulting beverage can contain far fewer calories per 100 ml.

This is why comparing almond milk directly with the calories in whole almonds can be misleading.

Typical macros in unsweetened almond milk

The exact composition depends on the product, but an unsweetened almond drink may provide approximately per 100 ml:

  • 0.4–1.0 g protein;
  • 0–1.5 g carbohydrate;
  • 1.0–2.0 g fat;
  • 13–30 kcal.

Some products contain more almonds and therefore more fat, protein and calories.

Others are more diluted.

Almond milk is usually not a high-protein drink

One important nutritional difference between almond milk and dairy milk or soy milk is protein.

Many almond drinks contain less than:

1 g protein per 100 ml

A 250 ml glass may therefore provide only around:

1–2.5 g protein

depending on the product.

By comparison, dairy milk and many soy drinks usually provide substantially more protein.

This does not make almond milk inherently better or worse; it simply means the drinks are not nutritionally interchangeable.

Unsweetened vs sweetened almond milk

The word "unsweetened" matters.

Unsweetened products generally contain little or no added sugar.

Sweetened almond drinks may contain added sugar, syrups or other carbohydrate sources.

Suppose:

Unsweetened version:

15 kcal per 100 ml

Sweetened version:

40 kcal per 100 ml

For a 250 ml serving:

Unsweetened:

15 × 2.5 = 37.5 kcal

Sweetened:

40 × 2.5 = 100 kcal

The difference is:

about 62 kcal per glass

If several servings are consumed during the day, that difference becomes more significant.

Flavored almond milk

Vanilla, chocolate and other flavored almond drinks can have very different calorie values.

Flavor itself does not necessarily add many calories, but flavored products are often sweetened.

Chocolate almond milk, for example, may contain:

  • added sugar;
  • cocoa;
  • stabilizers;
  • flavorings.

Check both:

calories per 100 ml

and:

sugars per 100 ml

rather than assuming every almond drink has the same nutritional profile.

Barista almond drinks

Barista-style almond drinks are formulated to foam and behave better in coffee.

To improve texture and stability, manufacturers may use:

  • more fat;
  • added vegetable oil;
  • different almond concentrations;
  • stabilizers or emulsifiers.

As a result, barista versions can contain more calories than a basic unsweetened almond drink.

For example:

Standard unsweetened almond milk:

15 kcal per 100 ml

Barista almond drink:

45 kcal per 100 ml

A 300 ml latte using mostly almond drink could therefore contain approximately:

135 kcal from the almond drink alone

before sugar, syrup or other additions.

Almond milk in coffee

A small splash contributes relatively few calories.

If almond milk contains 20 kcal per 100 ml:

  • 20 ml = 4 kcal;
  • 30 ml = 6 kcal;
  • 50 ml = 10 kcal;
  • 100 ml = 20 kcal.

But a latte or large milk-based coffee can use 200–350 ml.

That makes the exact product more important.

A 300 ml drink made with almond milk at 15 kcal per 100 ml contributes about:

45 kcal

The same volume at 45 kcal per 100 ml contributes:

135 kcal

before any sweeteners.

Added sugar can change the total quickly

Sugar provides approximately:

4 kcal per gram

If a sweetened almond drink contains 5 g more sugar per 100 ml than an unsweetened version, that difference represents approximately:

20 kcal per 100 ml

Across 250 ml:

12.5 g additional sugar

corresponds to approximately:

50 kcal

This helps explain why sweetened versions can differ substantially from unsweetened ones.

Added oil also matters

Some almond drinks include vegetable oil to improve texture.

Fat provides approximately:

9 kcal per gram

Even a small increase in fat can therefore affect the calorie value.

If one product contains 1 g fat per 100 ml and another contains 3 g, part of the calorie difference may come from the additional fat rather than sugar.

The nutrition label shows the combined result.

Fortified almond milk

Many commercial almond drinks are fortified with nutrients such as:

  • calcium;
  • vitamin D;
  • vitamin B12;
  • vitamin E.

Fortification can make the micronutrient profile very different from the amount naturally present in almonds.

The presence of added vitamins or minerals usually has little effect on calories.

However, fortification levels vary between products and countries.

Check the label rather than assuming every almond drink contains the same nutrients.

Shake the carton when instructed

Some fortified nutrients can settle during storage.

If the package says to shake well before use, following that instruction can help redistribute the contents.

This is especially relevant when using a fortified plant drink regularly.

Almond milk vs dairy milk

The calorie comparison depends on the type of dairy milk.

As a broad illustration per 100 ml:

Drink Approximate calories
Unsweetened almond milk 13–30 kcal
Low-fat dairy milk 40–50 kcal
Whole dairy milk 60–70 kcal

However, calories are only one difference.

Dairy milk generally contains considerably more protein than most almond drinks.

The micronutrient profiles also differ unless the almond drink is fortified.

Almond milk vs soy milk

Unsweetened soy milk commonly contains more calories than very low-calorie almond milk, but it also usually provides substantially more protein.

A broad comparison per 100 ml might look like:

Drink Calories Protein
Unsweetened almond milk 13–30 kcal ~0.4–1 g
Unsweetened soy milk ~30–45 kcal ~3–4 g

Actual values vary by brand.

The appropriate choice depends on what you want from the drink rather than calories alone.

Almond milk vs oat milk

Oat milk often contains more carbohydrate and calories than unsweetened almond milk.

A typical oat drink may provide roughly:

40–60 kcal per 100 ml

although products vary widely.

Unsweetened almond drinks can be considerably lower.

Again, oat and almond drinks differ in texture, carbohydrate, protein and formulation, so calorie content is only one comparison point.

Does homemade almond milk have the same calories?

Not necessarily.

Homemade almond milk can vary dramatically because the almond-to-water ratio is not standardized.

A recipe made with:

50 g almonds per liter

will differ from one made with:

150 g almonds per liter

Straining also removes some almond solids.

Without measuring ingredients and estimating how much material remains in the final drink, it is difficult to assign one reliable calorie value to homemade almond milk.

A commercial label value should not automatically be applied to a concentrated homemade recipe.

Does straining reduce calories?

When homemade almond milk is strained, some almond solids remain in the pulp.

Those solids contain:

  • fat;
  • protein;
  • carbohydrate;
  • fiber.

Therefore, not all of the calories from the starting almonds necessarily end up in the liquid.

The exact proportion is difficult to know without laboratory analysis or a carefully controlled recipe.

For practical tracking, a consistent recipe estimate is usually more useful than assuming all almond calories transfer into the drink.

Almond percentage can help explain differences

Some packages state the percentage of almonds used.

A product with a higher almond percentage may contain more almond-derived fat and protein, although formulation still matters.

Two products with the same almond percentage can still differ because one may contain added sugar or oil.

Use almond percentage as context, not as a substitute for the nutrition table.

Calories in almond milk on cereal

If you pour 150 ml of unsweetened almond milk containing 20 kcal per 100 ml over cereal:

20 × 1.5 = 30 kcal

If you use 250 ml:

20 × 2.5 = 50 kcal

The cereal itself will usually contribute far more calories than the almond milk, but both should be included when tracking the complete meal.

Almond milk in oatmeal

Suppose oatmeal is prepared with:

250 ml almond milk

at:

18 kcal per 100 ml

The almond milk contributes:

18 × 2.5 = 45 kcal

If you also add oats, nuts, fruit or nut butter, those ingredients should be calculated separately.

Almond milk in smoothies

Smoothies can use substantial amounts of liquid.

For 300 ml almond milk:

At 15 kcal per 100 ml:

45 kcal

At 40 kcal per 100 ml:

120 kcal

This is another reason to check whether the product is unsweetened or sweetened.

Fruit, nut butter, oats and protein powder often contribute much more energy than the liquid, but the drink base still matters.

Almond milk in cooking

Almond milk can be used in:

  • sauces;
  • soups;
  • pancakes;
  • baking;
  • porridge.

When the entire amount is consumed in the final dish, count the amount originally added.

For example, a sauce made with:

400 ml almond milk at 20 kcal per 100 ml

contains:

80 kcal from the almond milk

in the complete recipe.

If the sauce makes four equal servings:

80 ÷ 4 = 20 kcal

from almond milk per serving.

Heating does not create calories

Heating almond milk may evaporate some water.

This can make the remaining liquid more concentrated by weight, but it does not create additional calories.

If 500 ml of almond milk contains 100 kcal before heating, the total remains approximately 100 kcal after some water evaporates, assuming none of the milk is discarded.

The calories per 100 g of the reduced liquid can increase because the final weight is lower.

Milliliters vs grams

Nutrition labels for almond milk commonly provide values per:

100 ml

rather than per 100 g.

For ordinary household tracking, using the labeled volume is usually simplest.

If you weigh almond milk in grams, its density is close enough to water that grams and milliliters may be similar for rough estimates, but they are not formally identical.

For the most accurate calculation, use the unit printed on the package.

Calories in 1 cup of almond milk

Cup size depends on the measurement system.

A US cup is approximately:

240 ml

If almond milk contains 20 kcal per 100 ml:

20 × 2.4 = 48 kcal

So one US cup would contain approximately:

48 kcal

At 15 kcal per 100 ml:

15 × 2.4 = 36 kcal

At 40 kcal per 100 ml:

40 × 2.4 = 96 kcal

The product itself matters more than the word "cup."

What if the package lists calories per serving?

Suppose the label states:

30 kcal per 200 ml

You drink 300 ml.

First calculate the multiplier:

300 ÷ 200 = 1.5

Then:

30 × 1.5 = 45 kcal

This method works for any labeled serving size.

How to calculate calories from the label

If the carton gives:

22 kcal per 100 ml

and you use:

180 ml

calculate:

22 × 180 ÷ 100 = 39.6 kcal

So the portion contains approximately:

40 kcal

For 350 ml:

22 × 350 ÷ 100 = 77 kcal

Using the exact package value is more reliable than selecting a generic almond milk entry when brands differ significantly.

Why database entries may disagree

Food-tracking databases may contain multiple almond milk entries with values such as:

  • 13 kcal per 100 ml;
  • 20 kcal per 100 ml;
  • 35 kcal per 100 ml;
  • 50 kcal per 100 ml.

These entries may all be valid for different products.

Before selecting one, check:

  • sweetened or unsweetened;
  • flavor;
  • barista or standard;
  • calories per 100 ml;
  • fat;
  • carbohydrate;
  • protein.

Matching the actual carton is more important than finding a universal value.

Does "no added sugar" mean zero calories?

No.

An almond drink with no added sugar can still contain calories from:

  • almonds;
  • fat;
  • naturally present carbohydrate;
  • added oil.

"No added sugar" describes sugar addition, not total energy.

Likewise, "unsweetened" does not mean calorie-free.

Is almond milk calorie-free?

No.

Even very low-calorie almond drinks contain some energy.

A product with 13 kcal per 100 ml provides:

32.5 kcal in 250 ml

and:

65 kcal in 500 ml

Small amounts may contribute little to a day's total, but the drink is not literally free of calories.

How to log almond milk accurately

A simple tracking process is:

  1. identify the exact almond drink;
  2. check whether it is unsweetened, sweetened, flavored or barista-style;
  3. read calories per 100 ml or per labeled serving;
  4. measure the amount used;
  5. calculate the calories for that amount;
  6. include syrups, sugar or other additions separately.

For coffee, cereal and recipes, logging the actual milliliters is usually more reliable than choosing a generic serving.

Practical reference

For a typical unsweetened commercial almond drink, remembering:

about 13–30 kcal per 100 ml

is a useful starting range.

But almond milk is a category rather than one standardized food.

A sweetened, flavored or barista product can contain two, three or even more times the calories of a very low-calorie unsweetened version.

For accurate tracking, the carton in your refrigerator is more useful than a universal almond milk number.

Nutrition data sources and product differences

The records below describe only the named foods, fat levels and preparation states. USDA figures are per 100 g; manufacturer figures retain their stated unit. These sources do not independently prove every approximate figure in the article.

The 13–30 kcal per 100 ml range is an illustrative guide for unsweetened almond drinks, not a guaranteed range for every product. Alpro organic unsweetened almond drink is labeled 29 kcal per 100 ml.

USDA FoodData Central (search by FDC ID):

Examples from manufacturer labels (product-specific, checked 16 October 2026):