How Many? A Dictionary of Units of Measurement
© Russ Rowlett and the University of North Carolina at Chapel Hill

Table of Contents
About the Dictionary
Using the Dictionary

USFDA Daily Values

Data from the U.S. Food and Drug Administration's page, Daily Values Encourage Healthy Diet. The daily values fall in two groups, Daily Reference Values (DRVs) for energy-producing nutrients and Reference Daily Intakes (RDIs) for vitamins and minerals. The DRVs are based on 2,000 calories a day for adults and children over 4 only. The RDIs are based on the National Academy of Sciences's 1998 Recommended Dietary Allowances.

Daily Reference Values

Food Component

DRV

fat

65 grams (g)

saturated fatty acids

20 g

cholesterol

300 milligrams (mg)

total carbohydrate

300 g

fiber

25 g

sodium

2,400 mg

potassium

3,500 mg

protein*

50 g

* DRV for protein does not apply to certain populations; Reference Daily Intake (RDI) for protein has been established for these groups: children 1 to 4 years: 16 g; infants under 1 year: 14 g; pregnant women: 60 g; nursing mothers: 65 g.

Reference Daily Intakes (RDIs)

Nutrient

Amount

vitamin A

5,000 International Units (IU)

vitamin C

60 milligrams (mg)

thiamin

1.5 mg

riboflavin

1.7 mg

niacin

20 mg

calcium

1.0 gram (g)

iron

18 mg

vitamin D

400 IU

vitamin E

30 IU

vitamin B6

2.0 mg

folic acid

0.4 mg

vitamin B12

6 micrograms (mcg)

phosphorus

1.0 g

iodine

150 mcg

magnesium

400 mg

zinc

15 mg

copper

2 mg

biotin

0.3 mg

pantothenic acid

10 mg

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You are welcome to email the author (rowlett@email.unc.edu) with comments and suggestions.

All material in this folder is copyright © 2001 by Russ Rowlett and the University of North Carolina at Chapel Hill. Permission is granted for personal use and for use by individual teachers in conducting their own classes. All other rights reserved. You are welcome to make links to this page, but please do not copy the contents of any page in this folder to another site. The material at this site will be updated from time to time.

June 19, 2001