Every 100 kcal of roasted potatoes brings 1.8 g of protein. On that measure it ranks 96th of the 105 vegetables in this database and 717th of all 796 foods on the site. Measured by weight instead, its 2.37 g per 100 g ranks 41st in its group.
Only about 7% of the calories in roasted potatoes come from protein, so it is more of an energy food than a protein food. It is worth eating for other reasons; the protein it adds to a day is incidental.
By weight, fat outweighs protein in roasted potatoes: 4.87 g of fat per 100 g against 2.37 g of protein, a ratio of 0.5 to 1.
Set against asparagus, another vegetable entry in the database, a serving carries about 0.5 g less protein (asparagus has 4.3 g per 1 cup cooked).
It is an incomplete protein on its own; pairing it with other plant foods across the day covers the full range of essential amino acids. The serving quoted here is measured by volume at 160 g, and it covers about 8% of the 50 g FDA Daily Value for protein.
Serving sizes
Protein in common portions of roasted potatoes
Protein and calories in Roasted potatoes for 100 g, the site serving and USDA household portions.
Portion
Weight
Protein
Calories
100 g
100 g
2.37 g
131 kcal
1 cup (serving used here)
160 g
3.8 g
210 kcal
1 baby potato
60 g
1.4 g
79 kcal
1 small
130 g
3.1 g
170 kcal
1 medium
170 g
4 g
223 kcal
1 large
300 g
7.1 g
393 kcal
Portion weights are the household measures listed on the USDA record; protein and calories scale from the per-100 g figures.
SampleWhat goal trends look like after a week
109 g
Average per logged day
4 of 7
Days goal met
71%
Complete-protein share
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Sample figures for one made-up week against a 110 g goal, not your data. Red bars met the goal. Your own log fills this in with Premium.
Related
Other vegetables by protein per calorie
Swap for more protein per calorie
Baby carrots - 1.8 g per 100 kcal, 0.6 g per 10 baby carrots
Parsnips - 1.9 g per 100 kcal, 2.1 g per 1 cup cooked
Potato salad - 1.9 g per 100 kcal, 6.7 g per 1 cup
Closest in protein per calorie
French fries - 1.7 g per 100 kcal, 2.1 g per 10 fries
Jicama - 1.9 g per 100 kcal, 0.9 g per 1 cup sliced
2.37 g. The 1 cup serving used on this page weighs 160 g and so carries 3.8 g.
How much protein do you get per 100 calories of roasted potatoes?
1.8 g. That figure divides its 2.37 g of protein per 100 g by its 131 kcal per 100 g, so it does not depend on serving size.
Is the protein in roasted potatoes complete?
No. On its own, the protein in roasted potatoes is short of at least one essential amino acid; other protein sources across the day fill the gap.
What share of the protein Daily Value is one serving of roasted potatoes?
About 8%. One 1 cup serving has 3.8 g, and the FDA Daily Value for protein is 50 g.
Figures from USDA FoodData Central record #2709406 (Potato, roasted, from fresh, peel eaten, made with oil), FNDDS survey data. USDA data is in the public domain. Values are the published reference figures for that record, not lab measurements for a specific brand or batch.