Protein in 100g Milk = 3.2 g | Nutrition

100g of Milk, whole (3.25%) contains 3.2 g of protein. Free converter with serving tables, volume conversion, raw vs cooked, and FAQs. Data from USDA FoodData Central.

Protein in 100g Milk Calculator

100g of Milk, whole (3.25%) contains 3.2 g of protein. Use the converter above to calculate any weight, volume, or household serving, then compare the tables below. All values from USDA FoodData Central.

Result

100g Milk Protein

3.2 g protein

Computed from 100 g of food and USDA FoodData Central reference.

Reverse Calculation

Protein target to food amount

101.6 g (3.58 oz, 0.42 cups)

Reverse math uses 3.15 g protein per 100 g from USDA FoodData Central reference.

Milk Macros by Serving Size

Serving	Gram Equivalent	Calories (kcal)	Protein	Carbohydrates	Fat
50 g	50 g	30.5	1.6 g	2.4 g	1.6 g
75 g	75 g	45.8	2.4 g	3.6 g	2.4 g
100 g	100 g	61	3.2 g	4.8 g	3.3 g
150 g	150 g	91.5	4.7 g	7.2 g	4.9 g
200 g	200 g	122	6.3 g	9.6 g	6.5 g
250 g	250 g	152.5	7.9 g	12 g	8.1 g

Milk Macros by Common Serving

Serving	Weight	Calories	Protein	Carbs	Fat
Small weighed portion	75 g	46	2.4 g	3.6 g	2.4 g
Standard 100g reference	100 g	61	3.2 g	4.8 g	3.3 g
Large weighed portion	150 g	92	4.7 g	7.2 g	4.9 g

Milk Protein Range Around 100g

Serving	Gram Equivalent	Protein	Calories
50 g	50 g	1.6 g	31
75 g	75 g	2.4 g	46
100 g	100 g	3.2 g	61
150 g	150 g	4.7 g	92
200 g	200 g	6.3 g	122
250 g	250 g	7.9 g	153

Milk Macros by Volume Measure

Volume Measure	Equivalent Weight	Calories (kcal)	Protein	Carbs	Fat
1 US teaspoon	5.1 g	3.1	0.2 g	0.2 g	0.2 g
1 US tablespoon	15.2 g	9.3	0.5 g	0.7 g	0.5 g
1 US fluid ounce	30.5 g	18.6	1 g	1.5 g	1 g
1/4 US cup	60.9 g	37.1	1.9 g	2.9 g	2 g
1/3 US cup	81.2 g	49.5	2.6 g	3.9 g	2.6 g
1/2 US cup	121.8 g	74.3	3.8 g	5.8 g	4 g
1 US cup	243.7 g	148.7	7.7 g	11.7 g	7.9 g
1 US pint	487.4 g	297.3	15.4 g	23.4 g	15.8 g
1 US quart	974.7 g	594.6	30.7 g	46.8 g	31.7 g
1 US gallon	3899 g	2378.4	122.8 g	187.2 g	126.7 g
100 mL	103 g	62.8	3.2 g	4.9 g	3.3 g
1 liter	1030 g	628.3	32.4 g	49.4 g	33.5 g

Milk Prep-State Logging Check

Prep State	Weight	Protein	Concentration
Raw	100 g	3.2 g	3.2 g/100 g
Cooked data not listed	Use cooked USDA entry	Do not infer	Separate cooked record preferred

Milk Nutrient Efficiency Per Calorie

Nutrient	Per 100 g	Per 100 kcal	% Daily Value (per 100 g)
Protein	3.15 g	5.16 g/100 kcal	6.3%
Carbs	4.8 g	7.87 g/100 kcal	1.7%
Fat	3.25 g	5.33 g/100 kcal	4.2%

Milk Dietary Profile

Milk is a versatile food suitable for most dietary patterns. Check macros above for your specific dietary requirements.

Milk Benefit Signals

Low-carb base: Low carbohydrate level can fit low-carb meal planning. Basis: carbs <= 5 g per 100 g.

Milk Daily Nutrient Coverage

Nutrient	This serving	Reference	Coverage	Signal
Protein	3 g	50 g	6%	Starter contribution
Sodium	0 mg	2300 mg	0%	Low limit contribution
Potassium	0 mg	4700 mg	0%	Starter contribution

Smart Protein Substitutes for Milk

Food	Equivalent portion	Category	Protein delta	Calorie delta	Sodium delta
Cheese	40 g	Dairy	+0 g	+2 kcal	+42 mg
Milk	96 g	Dairy	+0 g	-3 kcal	+37 mg
Yogurt	82 g	Dairy	+0 g	+3 kcal	+34 mg
Cheese	14 g	Dairy	+0 g	-6 kcal	+88 mg
Cheddar cheese	13 g	Dairy	+0 g	-10 kcal	+0 mg
Milk	94 g	Dairy	+0 g	-14 kcal	+37 mg

Milk Condition-Aware Nutrition Notes

Type	Context	Guidance	Basis
mayFit	low sodium goal	May fit low-sodium meal planning at this serving size.	0 mg sodium
avoidIf	allergy	Avoid if allergic or sensitive to: milk.	dataset allergen flag

Real-World Milk Serving Sizes

Small weighed portion (~75g): 2.4 g protein. Useful when checking a smaller weighed serving.
Standard 100g reference (~100g): 3.2 g protein. Matches the USDA per-100g source basis used on this page.
Large weighed portion (~150g): 4.7 g protein. Useful for larger weighed servings and meal-prep portions.

Common Milk Measurement Mistakes

Mixing raw and cooked entries changes the math. This page uses the listed source record for Milk, whole (3.25%).
Adding oil, sauces, sweeteners, breading, or drained liquid changes calories and macros beyond the base food values.
For protein tracking, keep the same unit basis across the meal: grams, ounces, cups, or count-based servings should not be mixed without conversion.

Milk Protein — Frequently Asked Questions

How much protein is in 100g of Milk? 100g of Milk contains 3.2 g of protein (USDA FoodData Central). This is a low-protein food.

How much protein is in 1 cup of Milk? One US cup of milk weighs approximately 244g (density: 1030 kg/m³). That serving contains 7.7 g of protein — computed as 244g ÷ 100 × 3.2.

How many grams of Milk do I need to eat to get 30 g of protein? To reach 30 g of protein from Milk, you need approximately 952g — calculated as (30 ÷ 3.2) × 100 = 952g.

Is Milk high in protein? Milk is low in protein at 3.2 g per 100g. If you're targeting this nutrient, Milk alone is unlikely to be sufficient.

What percentage of daily protein does 100g of Milk provide? 100g of Milk provides 3.2 g of protein, which is 6.3% of the reference daily intake (50 g/day for adults, based on a 2000-calorie diet). To reach 100% of your daily protein from Milk alone, you would need ~1587g.

How efficient is Milk as a source of protein per calorie? Milk provides 5.16 g of protein per 100 kcal, making it good as a protein-per-calorie source. This is useful for calorie-restricted diets where macronutrient density matters.

What formula does this Milk protein calculator use? The calculator uses protein = weight in grams / 100 x 3.2 g. For example, 100g of Milk gives 3.2 g of protein. Volume entries are first converted to grams using the food density value, then the same per-100g formula is applied.

Is Milk a good food for muscle building or high-protein goals? For muscle building or high-protein goals, Milk is a modest contributor — with 3.2 g of protein per 100g. For best results, combine Milk with other foods to hit your daily macro targets.

How reliable is the source data for Milk? Milk uses USDA FoodData Central reference as the nutrition source. Gram-based calculations use the per-100g source values, while cup and spoon estimates depend on the listed density and should be treated as practical serving estimates.

Should I measure Milk raw or cooked? Milk should be logged in the same prep state as the source record. If you weighed it cooked, avoid comparing it directly with a raw entry unless a cooked yield factor is available.

How to Calculate Milk Protein

Weigh raw. Place your milk on a kitchen scale before cooking to get the most accurate starting weight.
Enter weight into the calculator. Select your unit (g, oz, lb, or cup) and hit Calculate.
Read the result. The calculator shows protein content for your exact portion.
Compare servings. Use the serving range table below to quickly compare protein across portion sizes.
Log to your tracker. Enter the raw weight and raw entry in your nutrition app for consistent macro tracking.

Why Volume ≠ Weight: Milk Density Explained

Milk is dense (~1030 kg/m³ ≈ water). A 1-cup measure holds approximately 244 g.

Why does density matter? The same volume can hold very different amounts of food depending on how dense it is. Oats (350 kg/m³) are light and airy — 1 cup = ~80 g. Water has a density of 1000 kg/m³ — 1 cup = 236 g. This is why nutrition labels use weight (grams), not volume — it's a more reliable measure.

Formula: mass (g) = volume (mL) × density (kg/m³) ÷ 1,000. This calculator uses this formula automatically when you enter a volume measure for Milk.

Milk Page Quality Signals

Source, density, prep-state, serving, and allergen checks used to decide whether this page is safe to promote from generated to indexed.

Data Sources & Methodology

Data source: USDA FoodData Central.

Computation method: Macro values are calculated by multiplying the food's per-100g value by the requested weight in grams, then dividing by 100. Volume inputs are first converted to grams using the food's density (kg/m³) from USDA data, then the same formula applies: protein = (weight_g / 100) × proteinPer100g.

Accuracy note: Macro values represent averages across measured samples; individual items may vary ±5–10% depending on brand, farming method, and preparation technique. For clinical nutrition, consult a registered dietitian.

Update policy: Macro values are reviewed quarterly against USDA FoodData Central updates. Page last verified: 2026.

Protein in 100g Milk = 3.2 g | Nutrition

100g of Milk, whole (3.25%) contains 3.2 g of protein. Free converter with serving tables, volume conversion, raw vs cooked, and FAQs. Data from USDA FoodData Central.

Select Food Source

Direction

Amount

Target

protein

3.2g

3.53 oz

Portion: 100gFood fit: 56/100

Serving reality: 3.53 oz, 0.41 cups.

Best benefits

Macro reference: Useful as a source-backed nutrition conversion reference while richer benefit notes are expanded.

Full micronutrients and nutritional profile

calories

61kcal

protein

3.1g

carbs

4.8g

fat

3.3g

sodium

0mg

potassium

0mg

magnesium

0mg

caffeine

0mg

Source: USDA FoodData Central reference|generic•Energy density: 149 kcal/cup

Protein in 100g Milk Calculator

Result

100g Milk Protein

3.2 g protein

Computed from 100 g of food and USDA FoodData Central reference.

Reverse Calculation

Protein target to food amount

101.6 g (3.58 oz, 0.42 cups)

Reverse math uses 3.15 g protein per 100 g from USDA FoodData Central reference.

Milk Macros by Serving Size

Serving	Gram Equivalent	Calories (kcal)	Protein	Carbohydrates	Fat
50 g	50 g	30.5	1.6 g	2.4 g	1.6 g
75 g	75 g	45.8	2.4 g	3.6 g	2.4 g
100 g	100 g	61	3.2 g	4.8 g	3.3 g
150 g	150 g	91.5	4.7 g	7.2 g	4.9 g
200 g	200 g	122	6.3 g	9.6 g	6.5 g
250 g	250 g	152.5	7.9 g	12 g	8.1 g

Milk Macros by Common Serving

Serving	Weight	Calories	Protein	Carbs	Fat
Small weighed portion	75 g	46	2.4 g	3.6 g	2.4 g
Standard 100g reference	100 g	61	3.2 g	4.8 g	3.3 g
Large weighed portion	150 g	92	4.7 g	7.2 g	4.9 g

Milk Protein Range Around 100g

Serving	Gram Equivalent	Protein	Calories
50 g	50 g	1.6 g	31
75 g	75 g	2.4 g	46
100 g	100 g	3.2 g	61
150 g	150 g	4.7 g	92
200 g	200 g	6.3 g	122
250 g	250 g	7.9 g	153

Milk Macros by Volume Measure

Volume Measure	Equivalent Weight	Calories (kcal)	Protein	Carbs	Fat
1 US teaspoon	5.1 g	3.1	0.2 g	0.2 g	0.2 g
1 US tablespoon	15.2 g	9.3	0.5 g	0.7 g	0.5 g
1 US fluid ounce	30.5 g	18.6	1 g	1.5 g	1 g
1/4 US cup	60.9 g	37.1	1.9 g	2.9 g	2 g
1/3 US cup	81.2 g	49.5	2.6 g	3.9 g	2.6 g
1/2 US cup	121.8 g	74.3	3.8 g	5.8 g	4 g
1 US cup	243.7 g	148.7	7.7 g	11.7 g	7.9 g
1 US pint	487.4 g	297.3	15.4 g	23.4 g	15.8 g
1 US quart	974.7 g	594.6	30.7 g	46.8 g	31.7 g
1 US gallon	3899 g	2378.4	122.8 g	187.2 g	126.7 g
100 mL	103 g	62.8	3.2 g	4.9 g	3.3 g
1 liter	1030 g	628.3	32.4 g	49.4 g	33.5 g

Milk Prep-State Logging Check

Prep State	Weight	Protein	Concentration
Raw	100 g	3.2 g	3.2 g/100 g
Cooked data not listed	Use cooked USDA entry	Do not infer	Separate cooked record preferred

Milk Nutrient Efficiency Per Calorie

Nutrient	Per 100 g	Per 100 kcal	% Daily Value (per 100 g)
Protein	3.15 g	5.16 g/100 kcal	6.3%
Carbs	4.8 g	7.87 g/100 kcal	1.7%
Fat	3.25 g	5.33 g/100 kcal	4.2%

Milk Dietary Profile

Milk is a versatile food suitable for most dietary patterns. Check macros above for your specific dietary requirements.

Milk Benefit Signals

Low-carb base: Low carbohydrate level can fit low-carb meal planning. Basis: carbs <= 5 g per 100 g.

Milk Daily Nutrient Coverage

Nutrient	This serving	Reference	Coverage	Signal
Protein	3 g	50 g	6%	Starter contribution
Sodium	0 mg	2300 mg	0%	Low limit contribution
Potassium	0 mg	4700 mg	0%	Starter contribution

Smart Protein Substitutes for Milk

Food	Equivalent portion	Category	Protein delta	Calorie delta	Sodium delta
Cheese	40 g	Dairy	+0 g	+2 kcal	+42 mg
Milk	96 g	Dairy	+0 g	-3 kcal	+37 mg
Yogurt	82 g	Dairy	+0 g	+3 kcal	+34 mg
Cheese	14 g	Dairy	+0 g	-6 kcal	+88 mg
Cheddar cheese	13 g	Dairy	+0 g	-10 kcal	+0 mg
Milk	94 g	Dairy	+0 g	-14 kcal	+37 mg

Milk Condition-Aware Nutrition Notes

Type	Context	Guidance	Basis
mayFit	low sodium goal	May fit low-sodium meal planning at this serving size.	0 mg sodium
avoidIf	allergy	Avoid if allergic or sensitive to: milk.	dataset allergen flag

Real-World Milk Serving Sizes

Small weighed portion (~75g): 2.4 g protein. Useful when checking a smaller weighed serving.
Standard 100g reference (~100g): 3.2 g protein. Matches the USDA per-100g source basis used on this page.
Large weighed portion (~150g): 4.7 g protein. Useful for larger weighed servings and meal-prep portions.

Common Milk Measurement Mistakes

Mixing raw and cooked entries changes the math. This page uses the listed source record for Milk, whole (3.25%).
Adding oil, sauces, sweeteners, breading, or drained liquid changes calories and macros beyond the base food values.
For protein tracking, keep the same unit basis across the meal: grams, ounces, cups, or count-based servings should not be mixed without conversion.

Milk Protein — Frequently Asked Questions

How much protein is in 100g of Milk? 100g of Milk contains 3.2 g of protein (USDA FoodData Central). This is a low-protein food.

How much protein is in 1 cup of Milk? One US cup of milk weighs approximately 244g (density: 1030 kg/m³). That serving contains 7.7 g of protein — computed as 244g ÷ 100 × 3.2.

How many grams of Milk do I need to eat to get 30 g of protein? To reach 30 g of protein from Milk, you need approximately 952g — calculated as (30 ÷ 3.2) × 100 = 952g.

Is Milk high in protein? Milk is low in protein at 3.2 g per 100g. If you're targeting this nutrient, Milk alone is unlikely to be sufficient.

How to Calculate Milk Protein

Weigh raw. Place your milk on a kitchen scale before cooking to get the most accurate starting weight.
Enter weight into the calculator. Select your unit (g, oz, lb, or cup) and hit Calculate.
Read the result. The calculator shows protein content for your exact portion.
Compare servings. Use the serving range table below to quickly compare protein across portion sizes.
Log to your tracker. Enter the raw weight and raw entry in your nutrition app for consistent macro tracking.

Why Volume ≠ Weight: Milk Density Explained

Milk is dense (~1030 kg/m³ ≈ water). A 1-cup measure holds approximately 244 g.

Formula: mass (g) = volume (mL) × density (kg/m³) ÷ 1,000. This calculator uses this formula automatically when you enter a volume measure for Milk.

Milk Page Quality Signals

Source, density, prep-state, serving, and allergen checks used to decide whether this page is safe to promote from generated to indexed.

Data Sources & Methodology

Data source: USDA FoodData Central.

Update policy: Macro values are reviewed quarterly against USDA FoodData Central updates. Page last verified: 2026.

Protein in 100g Milk = 3.2 g | Nutrition

Protein in 100g Milk Calculator

Result

Reverse Calculation

Milk Macros by Serving Size

Milk Macros by Common Serving

Milk Protein Range Around 100g

Milk Macros by Volume Measure

Milk Prep-State Logging Check

Milk Nutrient Efficiency Per Calorie

Milk Dietary Profile

Milk Benefit Signals

Milk Daily Nutrient Coverage

Smart Protein Substitutes for Milk

Milk Condition-Aware Nutrition Notes

Real-World Milk Serving Sizes

Common Milk Measurement Mistakes

Milk Protein — Frequently Asked Questions

How to Calculate Milk Protein

Compare Milk Protein to Similar Foods

More Milk Nutrition Pages

Why Volume ≠ Weight: Milk Density Explained

Milk Page Quality Signals

Data Sources & Methodology

Protein in 100g Milk = 3.2 g | Nutrition

Protein in 100g Milk Calculator

Result

Reverse Calculation

Milk Macros by Serving Size

Milk Macros by Common Serving

Milk Protein Range Around 100g

Milk Macros by Volume Measure

Milk Prep-State Logging Check

Milk Nutrient Efficiency Per Calorie

Milk Dietary Profile

Milk Benefit Signals

Milk Daily Nutrient Coverage

Smart Protein Substitutes for Milk

Milk Condition-Aware Nutrition Notes

Real-World Milk Serving Sizes

Common Milk Measurement Mistakes

Milk Protein — Frequently Asked Questions

How to Calculate Milk Protein

Compare Milk Protein to Similar Foods

More Milk Nutrition Pages

Why Volume ≠ Weight: Milk Density Explained

Milk Page Quality Signals

Data Sources & Methodology