Potato Chips: USDA Nutrition, Sodium, Label Claims and Acrylamide

Potato Chips: USDA Nutrition, Sodium, Label Claims and Acrylamide

Potato chips are thin potato slices fried or baked until crisp, then salted or seasoned. This guide uses USDA data to show potato chips nutrition per ounce, how much sodium a serving adds, what FDA’s label claims such as lightly salted and reduced fat mean, how baked vs fried chips compare, what FDA says about acrylamide, and a fair answer to whether potato chips are healthy.

Peptide Labs does not sell potato chips or other snack foods. This article is general nutrition information, not medical advice.

Key Takeaways

  • In USDA data, an ounce of plain salted potato chips has about 151 calories, 9.6 grams of fat and 149 milligrams of sodium, 6% of the Daily Value.
  • FDA calls 5% DV of sodium or less per serving low and 20% DV or more high, and stresses checking the serving size.
  • Under FDA rules, lightly salted means 50% less added sodium than the usual product, not a low-sodium food.
  • In USDA data, baked and reduced-fat chips have less fat than regular chips but similar sodium.
  • FDA names potato chips and French fries among the larger sources of acrylamide in the diet.
  • The Dietary Guidelines 2025-2030 name chips among highly processed salty foods to avoid.

Potato chips nutrition: USDA numbers per ounce

The table shows USDA SR Legacy values (April 2018 release) for the generic entry for plain, salted potato chips, per 1-ounce portion (28.35 g) and per 100 grams. USDA lists a 28-gram portion as about 22 chips. Percent Daily Values (%DV) use FDA reference amounts.

USDA SR Legacy, potato chips, plain, salted, FDC 1696771 oz (28.35 g)Per 100 g
Calories151532
Fat9.6 g (12%)34.0 g (44%)
Saturated fat1.0 g (5%)3.4 g (17%)
Carbohydrate15.3 g (6%)53.8 g (20%)
Fiber0.9 g (3%)3.1 g (11%)
Protein1.8 g (4%)6.4 g (13%)
Sodium149 mg (6%)527 mg (23%)
Potassium339 mg (7%)1,196 mg (25%)
Vitamin C6.1 mg (7%)21.6 mg (24%)

Frying removes most of the water from potato slices and replaces some of it with oil, so chips are far more concentrated than the potato they came from. Per 100 grams, USDA lists 532 calories for plain salted chips against 93 for a baked potato, and fat climbs from almost nothing to 34 grams. The potassium and vitamin C of the potato come along too, which is why the per-100-gram numbers look high; at the 1-ounce portion they are modest. Our potato guide compares cooking methods.

Potato chips sodium: reading the label

FDA sets the Daily Value for sodium at less than 2,300 milligrams per day and gives a rule of thumb for the label: 5% DV or less of sodium per serving is considered low, and 20% DV or more per serving is considered high. In USDA data, an ounce of plain salted chips lands at about 6% DV, between the two. The catch is the serving: FDA reminds shoppers to check the serving size and the number of servings they actually eat, and a large bag holds many label servings.

  • Savory snacks add up: FDA’s sodium page cites CDC data that about 40% of the sodium Americans eat comes from a short list of foods that includes savory snacks such as chips, crackers and popcorn.
  • Compare bags: FDA notes that sodium can vary a lot between similar foods, so the %DV on two labels is the quickest comparison.
  • Unsalted options: FDA’s tips include choosing low-sodium or no-salt-added snack products such as chips and pretzels. In USDA data, unsalted plain chips have about 2 milligrams of sodium per ounce.
  • Related reading: our lower-sodium eating guide explains sodium label claims across foods, and our popcorn guide covers another salty snack.

What the claims on a chip bag mean

Sodium and fat claims on packages are defined by FDA regulations, so the words have fixed meanings. The table summarizes the rules as written in 21 CFR 101.56, 101.61 and 101.62.

Claim on the bagWhat FDA rules requireRegulation
Low sodium140 mg or less per reference amount (and per 50 g for foods with small reference amounts)21 CFR 101.61
Reduced sodium or less sodiumAt least 25 percent less sodium per reference amount than a reference food21 CFR 101.61
Lightly salted50 percent less sodium added than is normally added; if not low sodium, the label must say not a low sodium food21 CFR 101.56
Unsalted or no salt addedNo salt added during processing, for a food normally processed with salt; if not sodium free, the label must say so21 CFR 101.61
Reduced fat or less fatAt least 25 percent less fat per reference amount than a reference food21 CFR 101.62

Under FDA rules, relative claims compare a product with its regular version, not with other foods. A reduced-fat or lightly salted chip is still a chip, and FDA’s rules for reduced-sodium and reduced-fat claims require the label to identify the reference food and how much lower the product is. The Nutrition Facts panel remains the place to see the actual numbers.

Baked vs fried chips and other styles: USDA comparison

USDA SR Legacy has generic entries for several chip styles. The table compares them per 100 grams, with %DV based on FDA reference amounts. Labels on specific bags will differ.

USDA SR Legacy, per 100 gCaloriesFatSaturated fatSodiumFiber
Plain, salted (FDC 169677)53234.0 g (44%)3.4 g (17%)527 mg (23%)3.1 g (11%)
Lightly salted (FDC 174805)56035.4 g (45%)5.5 g (27%)187 mg (8%)4.2 g (15%)
Plain, unsalted (FDC 170649)53634.6 g (44%)11.0 g (55%)8 mg (0%)4.8 g (17%)
Reduced fat (FDC 169683)47120.8 g (27%)4.2 g (21%)571 mg (25%)5.9 g (21%)
Baked, restructured (FDC 169046)46918.2 g (23%)2.6 g (13%)536 mg (23%)4.8 g (17%)

Three patterns stand out in the USDA data. The reduced-fat entry has about 39% less fat per 100 grams than the plain salted entry, and the baked entry has a similar amount, yet both still provide around 470 calories per 100 grams in USDA data and keep the sodium of regular chips. The lightly salted entry has about 65% less sodium per 100 grams than plain salted chips in USDA data, and the unsalted entry almost none. Saturated fat varies widely across the USDA entries, from 2.6 to 11.0 grams per 100 grams, depending on how each was made, so the label is the guide for any particular bag. USDA’s baked entry is a restructured chip made from a potato dough rather than whole slices, and it lists more sugars, 5.0 grams per 100 grams.

Chips are fried or baked with vegetable oils, and the oil choice shapes the fat profile. Our guide to oils pressed from seeds covers that debate, and our dietary fat food guide puts chips next to other fat sources.

Acrylamide in potato chips

FDA explains that acrylamide can form in some foods during high-temperature cooking such as frying, roasting and baking, from natural sugars and the amino acid asparagine in the food. FDA lists certain potato products, especially French fries and potato chips, among the larger sources in the diet, along with coffee and foods made from grains. According to FDA, acrylamide caused cancer in animals in laboratory studies at levels much higher than those seen in foods, and FDA is researching whether the much lower levels in food pose a health risk to people.

FDA does not tell people to stop eating fried, roasted or baked foods; asked that question directly, its answer is no. FDA’s general advice is an eating plan consistent with the Dietary Guidelines, and FDA notes that eating fewer of the larger sources is one way to lower acrylamide intake for those who want to. FDA lists baking among the high-temperature cooking methods that can form acrylamide, so baked chips are not exempt.

Are potato chips healthy?

Are potato chips healthy? In USDA data, they deliver a lot of calories, fat and often sodium in a small amount, with some potassium carried over from the potato. The Dietary Guidelines for Americans 2025-2030 are direct: they say to avoid highly processed packaged foods that are salty or sweet, naming chips, cookies and candy, and to put home-prepared meals first. The advice sits in a section of the guidelines that also covers added sugars and refined carbohydrate foods; our carbohydrate quality guide explains that idea.

The earlier 2020-2025 edition notes that among young people, starchy vegetables such as white potatoes are often eaten fried or with added butter and salt. Potatoes themselves sit in the starchy vegetable subgroup; our starchy vegetable guide and potassium food guide show how a baked or boiled potato compares. For anyone limiting sodium on a clinician’s advice, unsalted chips exist, and the %DV line on the label is the tool FDA recommends for comparing them.

Allergy note: potatoes are not among FDA’s nine major food allergens, but flavored chips can contain ingredients that are, such as milk in cheese or sour cream seasonings, or wheat and soy. The ingredient list and allergen statement on the label are the place to check.

Making potato chips at home

  • Slice evenly: thin, even slices crisp at the same time; a mandoline with a hand guard helps.
  • Soak and dry: FDA says soaking raw potato slices in water for 15 to 30 minutes before frying or roasting helps reduce acrylamide formation; drain and blot them dry, which FDA notes also stops splattering.
  • Stop at golden: FDA advises cooking cut potatoes to a golden yellow color rather than brown, since brown areas tend to contain more acrylamide.
  • Oven or air fryer: a light coat of oil and a hot oven or air fryer gives crisp chips with less oil than deep frying.
  • Season at the table: salt lightly or use herbs, vinegar or spices so you control the sodium.

Frequently Asked Questions

How many calories does an ounce of potato chips have?

USDA lists about 151 calories in 1 ounce of plain salted potato chips and 532 calories per 100 grams.

How much sodium is in potato chips?

USDA lists about 149 milligrams per ounce of plain salted chips, 6% of the Daily Value. Bags vary, so check the label.

What does lightly salted mean on chips?

Under 21 CFR 101.56, the product has 50 percent less added sodium than usual; if it is not low sodium, the label must say so.

Are baked chips lower in fat?

In USDA data, the baked chip entry has 18.2 grams of fat per 100 grams versus 34.0 grams for plain salted chips, with similar sodium.

Do potato chips contain acrylamide?

FDA names potato chips and French fries among the larger sources of acrylamide, which forms during high-heat cooking.

Questions about a label? Contact us or read our Buyer’s Guide. Food comes first; follow the label and ask a healthcare provider before starting a supplement, especially if you take medicines, are pregnant or have a food allergy. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Last reviewed October 2026.

Related guides: Potatoes: USDA Nutrition, Calories, Green Potatoes and Cooking Facts, Low Sodium Foods: USDA List, Foods High in Sodium and Label Terms, Refined Carbs vs Whole Grains: Simple and Complex Carbs Explained.

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