Daily safety snapshot
0mg sodium
0% sodium limit | 0% sat fat | 0% fiber target
100g Milk Protein — 3.2 g | Nutrition Calculator
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.
100g Milk Protein Calculator
100g of Milk, whole (3.25%) contains 3.2 g of protein. Use the converter above to calculate any weight or volume, or explore the tables below for common serving sizes. 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
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 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
Smart Protein Substitutes for Milk
Milk Condition-Aware Nutrition Notes
Real-World Milk Serving Sizes
- Small weighed portion (~50g): 1.6 g protein. Use when testing a small serving or recipe ingredient amount.
- Standard nutrition 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 meal-prep portions and larger servings.
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.