WellByNumbers.

Skyr (plain) vs Greek yogurt (nonfat)

Skyr (plain)Greek yogurt (nonfat)
Protein · per 100 g10.5 g10.3 g
Carbs · per 100 g4.0 g3.6 g
Fat · per 100 g0.2 g0.4 g
Fiber · per 100 g0.0 g0.0 g
Energy · per 100 g63 kcal61.0 kcal
Protein · per 100 kcal16.7 g16.9 g
To hit 30 g protein286 g · 180 kcal291 g · 178 kcal

The same three numbers, drawn

Protein / 100 g10.510.3Fiber / 100 g0.00.0Protein / 100 kcal16.716.9SkyrGreek yogurt

What 30 g of protein looks like on a plate

286 gSkyr180 kcal rides along291 gGreek yogurt178 kcal rides alongsquare area drawn to scale · grams needed for 30 g protein

Where the calories come from

protein 70%carbs 27%3%
protein 70%carbs 25%6%

The one-line verdict: Greek yogurt (nonfat) delivers 1.0× the protein per calorie of Skyr (plain) (16.9 g vs 16.7 g per 100 kcal).

More protein / 100 g: SkyrLighter per 100 g: Greek yogurtSmaller 30 g portion: Skyr

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.