Calcium Daily Value: 1,300 mg

The FDA Daily Value for calcium is 1,300 mg for adults and children 4+.

Key facts

Adults & children 4+
1,300 mg
Ages 1–3
700 mg
Pregnant/lactating
1,300 mg
Infants
260 mg
On labels until 2020/2021
1,000 mg · increased 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 10 mg
20% DV (high)
260 mg

Common amounts of calcium

Per serving, adults and children 4+.

  • 50 mg is 4%
  • 100 mg is 8%
  • 200 mg is 15%
  • 500 mg is 40%
  • 1,000 mg is 80%

About calcium

When a serving has less than 2 percent of the RDI, the label does not have to state the amount: it may show zero, or an asterisk that points to “Contains less than 2 percent of the Daily Value of this (these) nutrient (nutrients)”. Or, except on the simplified format, it may leave calcium off and print “Not a significant source of calcium” at the bottom of the nutrient table.

Questions about calcium

What is the FDA Daily Value for calcium?

The FDA Daily Value for calcium is 1,300 mg for adults and children 4 years and older. On a Nutrition Facts label, a serving's %DV for calcium is its amount divided by 1,300 mg, times 100.

How do I work out the %DV for calcium?

Divide the amount in one serving by 1,300 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, 260 mg ÷ 1,300 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.

Calcium rounding rules

Amount

Calcium is declared to the nearest 10mg. Measuring finer than that changes nothing on the label, except below 5mg, where it is declared to the nearest 5mg so a real amount is not printed as 0.

Amount rounding rules for this nutrient
Amount rangeRounding rule
0 to <5nearest 5 mg
≥5nearest 10 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 Calcium 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 <13 mg
2% DV13 mg≤ amount <39 mg
4% DV39 mg≤ amount <65 mg
6% DV65 mg≤ amount <91 mg
8% DV91 mg≤ amount <117 mg
10% DV117 mg≤ amount <162.5 mg
Nearest 5%>10 to 50% DV
15% DV162.5 mg≤ amount <227.5 mg
20% DV227.5 mg≤ amount <292.5 mg
25% DV292.5 mg≤ amount <357.5 mg
30% DV357.5 mg≤ amount <422.5 mg
35% DV422.5 mg≤ amount <487.5 mg
40% DV487.5 mg≤ amount <552.5 mg
45% DV552.5 mg≤ amount <617.5 mg
50% DV617.5 mg≤ amount <715 mg
Nearest 10%>50% DV
60% DV715 mg≤ amount <845 mg
70% DV845 mg≤ amount <975 mg
80% DV975 mg≤ amount <1,105 mg
90% DV1,105 mg≤ amount <1,235 mg
100% DV1,235 mg≤ amount <1,365 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 calcium Daily Value change for children or pregnancy?

Yes. It is 700 mg for children 1 to 3 years, stays 1,300 mg during pregnancy and lactation and is 260 mg for infants through 12 months.

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

A Daily Value is a reference target, not a measurement of any particular food. To find the calcium 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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