Health Eating

Which Milk is Better? Do the Math on Milk

Dairy-free alternatives

Health Calculator for Milk

Oat milk VS cow’s milk? Soy milk VS almond milk? Which milk is better for you? How does your favorite milk stack up? In a grocery aisle where there are not only cow’s milk, but goat milk and oat milk and soy, rice, pea, hemp, cashew, almond, and coconut milk options, the choice isn’t always clear. Cup for cup, which milk is the healthiest? Which has the most protein, or saturated fat? 

Select one or more milks then one or multiple nutrition parameters. You can compare one-to-one or all at once. Try it out to find the best milk for your needs.

Pick Your Milks:

Cow's Milk (Whole)
Oat Milk
Almond Milk
Soy Milk
Coconut Milk
Cashew Milk
Rice Milk
Pea Milk
Hemp Milk
Banana Milk

Pick Your Parameters:

Health Parameters
CaloriesSaturated FatProteinCalcium
Environmental Factors
per liter

or

per 8oz glass
Water UseLand UseGHG emissions (in g)CO2 (in g)

Cow's Milk (Whole)

Considering cow’s milk saturated fat and cholesterol content, it’s not a healthy option, no matter how much calcium it contains. Not shown on the label: hormones, IGF-1, and Neu5gc. Milk definitely doesn’t do a body good.

Calories
160
Saturated Fat (g)
5 g
Protein
8 g
Calcium
310 mg
Water Use

(per liter)

628 liters
Land Use

(per liter)

9 m2
GHG Emissions

(per liter)

1394.8 g
CO2

(per liter)

3200 g
Water Use

(per glass)

148.6 liters
Land Use

(per glass)

2.1 m2
GHG Emmisions

(per glass)

330 g
CO2

(per glass)

725.7 g

Oat Milk

Oat milk is all the rage, and for good reason. It’s super creamy, tastes great, and fortified options offer some nutritional benefit, too. Oat is ideal for lattes and espresso drinks or sipped straight from the glass!

Calories
45
Saturated Fat (g)
0 g
Protein
1 g
Calcium
460 mg
Water Use

(per liter)

48 liters
Land Use

(per liter)

0.8 m2
GHG Emissions

(per liter)

431.1 g
CO2

(per liter)

900 g
Water Use

(per glass)

11.4 liters
Land Use

(per glass)

0.2 m2
GHG Emmisions

(per glass)

102 g
CO2

(per glass)

204.1 g

Almond Milk

People fell in love with almond milk for its smooth texture and pleasant taste. Nutritionally speaking, it’s low in fat, but it could use a bit more protein. Almond milk is very accessible. Find it in most coffee shops and grocery stores.

Calories
35
Saturated Fat (g)
0 g
Protein
1 g
Calcium
440 mg
Water Use

(per liter)

371 liters
Land Use

(per liter)

0.5 m2
GHG Emissions

(per liter)

414.2 g
CO2

(per liter)

700 g
Water Use

(per glass)

87.8 liters
Land Use

(per glass)

0.1 m2
GHG Emmisions

(per glass)

98 g
CO2

(per glass)

158.8 g

Soy Milk

Soy is the original plant milk, and it’s a nutritional powerhouse! Even the USDA says soy milk is nutritionally equivalent to dairy. Blend into a smoothie or foam it up for a silky latte or creamy coffee.

Calories
80
Saturated Fat (g)
0.5 g
Protein
8 g
Calcium
300 mg
Water Use

(per liter)

28 liters
Land Use

(per liter)

0.7 m2
GHG Emissions

(per liter)

515.7 g
CO2

(per liter)

1000 g
Water Use

(per glass)

6.6 liters
Land Use

(per glass)

0.2 m2
GHG Emmisions

(per glass)

122 g
CO2

(per glass)

226.8 g

Coconut Milk

Coconut milk adds a delightfully coconutty taste to whatever you’re sipping on. It’s light and refreshing, but it’s not the most nutrient-dense option. Try it in savory dishes like curries and soups.

Calories
45
Saturated Fat (g)
3.5 g
Protein
0 g
Calcium
460 mg
Water Use

(per liter)

liters
Land Use

(per liter)

m2
GHG Emissions

(per liter)

g
CO2

(per liter)

g
Water Use

(per glass)

liters
Land Use

(per glass)

m2
GHG Emmisions

(per glass)

g
CO2

(per glass)

g

Cashew Milk

Cashew milk is a terrific low-calorie and low-fat option. It’s neutral in taste and goes with anything. Look for fortified brands if you’re looking for a nutritional boost.

Calories
25
Saturated Fat (g)
0 g
Protein
1 g
Calcium
450 mg
Water Use

(per liter)

liters
Land Use

(per liter)

m2
GHG Emissions

(per liter)

g
CO2

(per liter)

g
Water Use

(per glass)

liters
Land Use

(per glass)

m2
GHG Emmisions

(per glass)

g
CO2

(per glass)

g

Rice Milk

Rice milk doesn’t get as much attention anymore. Most varieties are shelf-stable, making a convenient option to keep stocked if you’re in a pinch.

Calories
70
Saturated Fat (g)
0 g
Protein
0 g
Calcium
240 mg
Water Use

(per liter)

270 liters
Land Use

(per liter)

0.3 m2
GHG Emissions

(per liter)

1180 g
CO2

(per liter)

1200 g
Water Use

(per glass)

63.9 liters
Land Use

(per glass)

0.1 m2
GHG Emmisions

(per glass)

174 g
CO2

(per glass)

272.2 g

Pea Milk

Made from yellow split peas, this milk is a nutritional contender. It checks all the boxes in terms of protein, calcium, and vitamin D. Try it over cereal or by the glass.

Calories
80
Saturated Fat (g)
0.5 g
Protein
8 g
Calcium
440 mg
Water Use

(per liter)

15 liters
Land Use

(per liter)

m2
GHG Emissions

(per liter)

300.1 g
CO2

(per liter)

g
Water Use

(per glass)

3.6 liters
Land Use

(per glass)

m2
GHG Emmisions

(per glass)

71 g
CO2

(per glass)

g

Hemp Milk

Hemp milk makes a great option because it contains all nine essential amino acids. It has a neutral flavor profile, making it versatile for all your needs.

Calories
60
Saturated Fat (g)
0 g
Protein
3 g
Calcium
257 mg
Water Use

(per liter)

189.3 liters
Land Use

(per liter)

0.1 m2
GHG Emissions

(per liter)

405.1 g
CO2

(per liter)

g
Water Use

(per glass)

44.8 liters
Land Use

(per glass)

0 m2
GHG Emmisions

(per glass)

95.9 g
CO2

(per glass)

g

Banana Milk

Banana milk is one of the more unique options out there. It’s the perfect milk to use in smoothies and protein shakes.

Calories
60
Saturated Fat (g)
0 g
Protein
1 g
Calcium
300 mg
Water Use

(per liter)

liters
Land Use

(per liter)

m2
GHG Emissions

(per liter)

g
CO2

(per liter)

g
Water Use

(per glass)

liters
Land Use

(per glass)

m2
GHG Emmisions

(per glass)

g
CO2

(per glass)

g
  • Water Use and CO2 source: Buchholz, K. (2023, August 22). Infographic: Which (Plant) Milk Is the Most Sustainable? Statista Daily Data. https://www.statista.com/chart/22659/cows-milk-plant-milk-sustainability
  • Land Use and rice milk GHG emissions source: Poore, J., & Nemecek, T. (2018). Reducing food’s environmental impacts through producers and consumers.
  • GHG emissions (sans rice and hemp milk) source: Santo, R. (2025). Which Milks Are Best for the Planet? https://www.wri.org/insights/milks-environmental-impact
  • Hemp milk GHG emissions source: Ferdouse, J., Silva, B. Q., Baune, M.-C., Terjung, N., & Smetana, S. (2024). Life cycle assessment of hemp-based milk alternative production in Lower Saxony, Germany, based on a material flow analysis of a pilot scale. The International Journal of Life Cycle Assessment, 29(4), 652–668.
 

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