WellByNumbers.

Soy milk (unsweetened) vs Milk (2%)

Soy milk (unsweetened) counts toward 30 plants a week; Milk (2%) doesn't.

Soy milk (unsweetened)Milk (2%)
Protein · per 100 g3.5 g3.3 g
Carbs · per 100 g1.3 g4.8 g
Fat · per 100 g2.1 g2.0 g
Fiber · per 100 g0.0 g0.0 g
Energy · per 100 g43 kcal50.0 kcal
Protein · per 100 kcal8.3 g6.6 g
To hit 30 g protein845 g · 363 kcal909 g · 455 kcal

The same three numbers, drawn

Protein / 100 g3.53.3Fiber / 100 g0.00.0Protein / 100 kcal8.36.6Soy milkMilk

What 30 g of protein looks like on a plate

845 gSoy milk363 kcal rides along909 gMilk455 kcal rides alongsquare area drawn to scale · grams needed for 30 g protein

Where the calories come from

protein 37%carbs 13%fat 50%
protein 26%carbs 38%fat 35%

The one-line verdict: Soy milk (unsweetened) delivers 1.3× the protein per calorie of Milk (2%) (8.3 g vs 6.6 g per 100 kcal).

More protein / 100 g: Soy milkLighter per 100 g: Soy milkSmaller 30 g portion: Soy milk

Swap in your own pair

Bold marks the better side of each row. "Per 100 kcal" answers the density question — which food delivers more protein for the energy it costs. Portion row is computed live from the same USDA base values shown on each food page.