Zinc Daily Value: 11 mg

The FDA Daily Value for zinc is 11 mg for adults and children 4+.

Key facts

Adults & children 4+
11 mg
Ages 1–3
3 mg
Pregnant/lactating
13 mg
Infants
3 mg
On labels until 2020/2021
15 mg · decreased Source (opens in a new tab)
Label rounding
Regulation: in mg, to the precision of the Daily Value; more decimals allowed for small amounts; under 2% DV may show 0% FDA guidance (nonbinding): nearest 0.1 mg
20% DV (high)
2.2 mg

Common amounts of zinc

Per serving, adults and children 4+.

  • 0.5 mg is 4%
  • 1 mg is 10%
  • 5 mg is 45%
  • 10 mg is 90%

Questions about zinc

What is the FDA Daily Value for zinc?

The FDA Daily Value for zinc is 11 mg for adults and children 4 years and older. On a Nutrition Facts label, a serving's %DV for zinc is its amount divided by 11 mg, times 100.

How do I work out the %DV for zinc?

Divide the amount in one serving by 11 mg and multiply by 100. Then round to the nearest 2% up to 10%, to the nearest 5% above 10% and up to 50%, and to the nearest 10% above 50%. For example, 2.2 mg ÷ 11 mg × 100 = 20%.

How are vitamin and mineral %DV values rounded?

The percentages for vitamins and minerals shall be expressed to the nearest 2-percent increment up to and including the 10-percent level, the nearest 5-percent increment above 10 percent and up to and including the 50-percent level, and the nearest 10-percent increment above the 50-percent level.

Zinc rounding rules

Amount

Zinc is declared to the nearest 0.1mg. Measuring finer than that changes nothing on the label, except below 0.05mg, where it is declared to the nearest 0.01mg so a real amount is not printed as 0.

Amount rounding rules for this nutrient
Amount rangeRounding rule
0 to <0.05nearest 0.01 mg
≥0.05nearest 0.1 mg

These mg increments come from FDA guidance, banded by this group's Daily Value.

% Daily Value

% Daily Value rounding rules for this nutrient
%DV rangeRounding rule
0 to 10% DVNearest 2%
>10 to 50% DVNearest 5%
>50% DVNearest 10%

Every %DV a label can show

What a serving has to contain for a label to print each figure. The %DV is worked out from the actual amount, before that amount is rounded.

How much Zinc a serving must contain for a label to print each %DV
If the label showsThe serving must contain
Nearest 2%0 to 10% DV
0% DV0 mg≤ amount <0.11 mg
2% DV0.11 mg≤ amount <0.33 mg
4% DV0.33 mg≤ amount <0.55 mg
6% DV0.55 mg≤ amount <0.77 mg
8% DV0.77 mg≤ amount <0.99 mg
10% DV0.99 mg≤ amount <1.375 mg
Nearest 5%>10 to 50% DV
15% DV1.375 mg≤ amount <1.925 mg
20% DV1.925 mg≤ amount <2.475 mg
25% DV2.475 mg≤ amount <3.025 mg
30% DV3.025 mg≤ amount <3.575 mg
35% DV3.575 mg≤ amount <4.125 mg
40% DV4.125 mg≤ amount <4.675 mg
45% DV4.675 mg≤ amount <5.225 mg
50% DV5.225 mg≤ amount <6.05 mg
Nearest 10%>50% DV
60% DV6.05 mg≤ amount <7.15 mg
70% DV7.15 mg≤ amount <8.25 mg
80% DV8.25 mg≤ amount <9.35 mg
90% DV9.35 mg≤ amount <10.45 mg
100% DV10.45 mg≤ amount <11.55 mg

The rules are FDA's; the inversion is ours. Ranges are inclusive at the low end and exclusive at the high end, because an exact half rounds up.

Does the zinc Daily Value change for children or pregnancy?

Yes. It is 3 mg for children 1 to 3 years, is 13 mg during pregnancy and lactation and is 3 mg for infants through 12 months.

How do I find out how much zinc is in a food?

A Daily Value is a reference target, not a measurement of any particular food. To find the zinc content of a specific ingredient or product, look it up in USDA FoodData Central, then use that amount here to see what a label would declare and what %DV it carries.

Search USDA FoodData Central →

Where do these numbers come from?
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