Calculate the percentage of Daily Value (%DV) for any nutrient based on FDA reference values. Customize for your calorie target.
This calculator converts a nutrient amount into percent Daily Value using FDA reference amounts and can also show a calorie-adjusted view for some nutrients. It is mainly a label-reading aid for comparing foods or checking a meal against a reference target.
The standard %DV system is based on a 2,000-calorie reference diet, which is useful for comparison even when your own intake is different. This page helps turn grams and milligrams into a percentage that is easier to interpret quickly.
Nutrition labels are easier to use when you can translate an amount into a familiar percentage. This page is useful for quick comparisons, especially when labels are incomplete or you want to sanity-check a serving against a reference amount.
%Daily Value = (Nutrient Amount ÷ Daily Reference Value) × 100 For calorie-scaled nutrients (macros, fiber): Adjusted DV = FDA Reference × (Your Calories ÷ 2000) FDA bases all %DV on a 2,000 calorie diet. Micronutrient DVs (vitamins, minerals) are fixed regardless of calorie intake.
Result: 27% DV
The FDA Daily Value for calcium is 1,300 mg. Consuming 350 mg provides (350 ÷ 1,300) × 100 = 26.9%, rounded to 27% DV. Since this exceeds 20%, this food is considered a "good source" of calcium. You'd need about 4 servings of this food to reach 100% DV for calcium.
The current FDA Daily Values used as 100% references on nutrition labels include: Total Fat 78g, Saturated Fat 20g, Cholesterol 300mg, Sodium 2,300mg, Total Carbohydrate 275g, Dietary Fiber 28g, Added Sugars 50g, Protein 50g, Vitamin D 20mcg, Calcium 1,300mg, Iron 18mg, Potassium 4,700mg, Vitamin A 900mcg RAE, Vitamin C 90mg, Vitamin E 15mg, Vitamin K 120mcg, Thiamin 1.2mg, Riboflavin 1.3mg, Niacin 16mg, Vitamin B6 1.7mg, Folate 400mcg DFE, Vitamin B12 2.4mcg, Biotin 30mcg, Pantothenic Acid 5mg, Phosphorus 1,250mg, Iodine 150mcg, Magnesium 420mg, Zinc 11mg, Selenium 55mcg, Copper 0.9mg, Manganese 2.3mg, Chromium 35mcg, Molybdenum 45mcg.
Always check the serving size first — %DV applies to one serving as defined on the label, which may differ from your actual portion. Compare similar products using %DV rather than raw grams for the most meaningful comparison. For your overall diet, aim for 100% DV of beneficial nutrients (fiber, vitamins, minerals) spread across all meals and snacks.
Pregnant women need higher DVs for folate (600mcg vs 400mcg), iron (27mg vs 18mg), and calcium. Athletes may need more potassium, magnesium, and B vitamins. Older adults need more calcium (1,200mg) and vitamin D (800–1,000 IU). The standard %DV provides a good baseline but may not capture individual needs.
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This worksheet divides the entered nutrient amount by the FDA Daily Value for that nutrient and expresses the result as a percentage. For nutrients that scale with calories, it also shows a calorie-adjusted view built from the standard 2,000-calorie reference used on Nutrition Facts labels.
The calculator is a label-reading aid. It helps compare servings against FDA reference values, but it does not replace individualized dietary advice or a full nutrient assessment.
%DV (Percent Daily Value) shows how much one serving of a food contributes to the recommended daily intake for each nutrient, based on a 2,000-calorie diet. It's designed to help consumers quickly determine if a food is high or low in a nutrient without needing to know the specific recommended amounts for each nutrient.
The FDA chose 2,000 calories as a round number that approximates average adult calorie needs. It's not a recommendation to eat 2,000 calories — it's simply the reference point for calculating percentages. Individual needs vary from about 1,600 to 3,000+ calories depending on age, sex, size, and activity level.
For macronutrients and fiber, adjusting makes sense. If you eat 2,500 calories, you likely need proportionally more fiber, carbs, and fat than the 2,000-calorie reference. However, micronutrient DVs (vitamins and minerals) are based on Recommended Dietary Allowances (RDAs) that don't change with calorie intake — they're based on age and sex.
Key changes include: Vitamin D DV increased from 400 to 800 IU (now 20 mcg). Calcium increased from 1,000 to 1,300 mg. Potassium was added as a required nutrient on labels. Fiber increased from 25 to 28g. Added sugars now have their own DV of 50g. Sodium stayed at 2,300 mg. These updates reflect current nutritional science.
Not necessarily. %DV represents the recommended adequate intake, not a maximum. For most vitamins and minerals, consuming 150–200% DV from food is safe and sometimes beneficial. However, for nutrients like sodium and saturated fat, staying well below 100% DV is recommended. For supplements, check Tolerable Upper Intake Levels (UL) to avoid overconsumption.
Some nutrients lack sufficient scientific consensus for a Daily Value. Trans fat, for example, has no %DV because the recommendation is to consume as little as possible. Protein has a DV (50g) but %DV is optional on labels unless a protein claim is made. Added sugars recently gained a DV (50g) in the 2020 update.