A Daily Value (DV) is a reference amount of a nutrient you should consume, or not exceed, each day. Set by the FDA, Daily Values appear on every Nutrition Facts label in the United States as percentages, helping you quickly judge whether a serving of food gives you a lot or a little of a given nutrient. They’re based on a standard 2,000-calorie daily diet.
How Daily Values Work on Food Labels
When you pick up a box of cereal and see “Iron 25%,” that means one serving provides 25% of the total iron recommended for a full day. The percent Daily Value (%DV) translates grams, milligrams, and micrograms into a single, easy-to-compare number so you don’t need to memorize nutrient targets yourself.
A simple rule makes these percentages practical: 5% DV or less per serving is considered low, and 20% DV or more is considered high. You can use that threshold in both directions. For nutrients you want more of, like fiber, calcium, or potassium, aim for foods closer to 20% or above. For nutrients you want to limit, like sodium or added sugars, look for products at 5% or below.
At the bottom of most Nutrition Facts panels, a footnote reads that 2,000 calories a day is used as general guidance for nutrition advice. Your personal calorie needs may be higher or lower, but the percentages still work as a relative comparison tool between products. If two yogurts sit side by side on the shelf, the %DV lets you instantly see which one has more calcium or less sugar, regardless of how many calories you actually eat.
Where Daily Values Come From
Behind the scenes, “Daily Value” is actually an umbrella term covering two sets of reference numbers: Daily Reference Values (DRVs), which cover macronutrients like fat, carbohydrates, and fiber, and Reference Daily Intakes (RDIs), which cover vitamins and minerals. The FDA merged both under the single label “Daily Value” to avoid confusing consumers.
Daily Values are related to, but not identical to, Recommended Dietary Allowances (RDAs). RDAs vary by age, sex, and life stage. A teenage boy needs different amounts of certain nutrients than a postmenopausal woman. Daily Values collapse all of that into one number per nutrient so a single food label can serve everyone. That number is often, but not always, similar to a given person’s RDA. Think of the DV as a useful approximation rather than a personalized prescription.
Key Daily Values to Know
A few Daily Values come up repeatedly when people compare packaged foods:
- Sodium: less than 2,300 mg per day. That’s roughly one teaspoon of table salt. Many processed foods deliver 20% to 40% of this limit in a single serving, which adds up fast if you eat several packaged items in a day.
- Added sugars: 50 grams per day (about 12 teaspoons). This covers sugars added during processing, not the natural sugars in whole fruit or plain milk. A single 12-ounce can of regular soda can contain close to 40 grams, which is 80% DV.
- Dietary fiber: 28 grams per day. Most Americans fall well short of this target. Checking the %DV for fiber is one of the quickest ways to tell whether a bread, cereal, or snack bar is genuinely high in whole grains or just marketed that way.
There is no Daily Value for total sugars, only for added sugars. That’s because the FDA has not set a recommendation for total sugar intake. If you see total sugars listed without a percentage next to them, that’s why.
What Changed on the Updated Label
The FDA overhauled the Nutrition Facts label starting in 2020, and several Daily Values were adjusted based on newer science. Sodium, dietary fiber, and vitamin D all received updated reference amounts. Added sugars gained their own line on the label for the first time, complete with a %DV, giving consumers a way to track sweeteners that had previously been hidden inside the total sugar count.
The required vitamins and minerals shifted too. Vitamin D and potassium are now mandatory on every label because public health data showed widespread shortfalls in the American diet. Calcium and iron remained required. Vitamins A and C, which were previously mandatory, became optional. Deficiencies in those two vitamins are now uncommon enough that the FDA decided the label space was better used elsewhere.
Using %DV to Compare Products
The most practical use of the %DV is side-by-side comparison. Serving sizes across similar products were also standardized in the label update, which means comparing two brands of ice cream or two bags of chips is more straightforward than it used to be. You’re now more likely to see the same serving size on competing products, making the percentages a genuine apples-to-apples comparison.
You can also add up %DVs across your meals throughout the day. If breakfast cereal gives you 30% DV of fiber and a lunchtime salad adds another 25%, you know you’ve already crossed the halfway mark. The same math works for nutrients you’re trying to limit. Tracking sodium this way is especially useful, since salt accumulates from sources people rarely think about: bread, condiments, canned soups, deli meats.
Keep in mind that %DV is always tied to the serving size listed at the top of the label. If you eat double the listed serving, you double every percentage. That sounds obvious, but serving sizes on items like bags of chips or pints of ice cream can be smaller than what most people actually eat in one sitting.