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Convert Ounces to Milligrams

Seamlessly convert values from Ounces (oz) to Milligrams (mg). Includes the exact formula, a quick reference table, and real-world context.

Common Weight Conversions

GRAMS to MILLIGRAMS→OUNCES to POUNDS→TONNES to GRAMS→TONNES to POUNDS→TONNES to MILLIGRAMS→GRAMS to KILOGRAMS→OUNCES to TONNES→GRAMS to OUNCES→MILLIGRAMS to TONNES→POUNDS to GRAMS→POUNDS to MILLIGRAMS→KILOGRAMS to TONNES→
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Conversion Formula

Milligrams = Ounces × 28349.492544

Ounces to Milligrams Conversion Table

Ounces (oz)Milligrams (mg)
1 oz28349.49 mg
2 oz56698.99 mg
5 oz141747.46 mg
10 oz283494.93 mg
15 oz425242.39 mg
20 oz566989.85 mg
25 oz708737.31 mg
50 oz1417474.63 mg
100 oz2834949.25 mg
500 oz14174746.27 mg

About Ounces

The ounce is an imperial unit of mass equal to one-sixteenth of a pound. It is commonly used in the United States for food packaging, postal weights, and precious metal measurements.

Real-World Examples

  • A slice of bread typically weighs about 1 ounce
  • A standard can of soda contains 12 fluid ounces
  • Gold is traded globally at a price per troy ounce (31.1 grams)

💡 Did you know? There are actually two types of ounces: the avoirdupois ounce (28.35g, used for everyday items) and the troy ounce (31.10g, used for precious metals). One troy ounce is about 10% heavier.

About Milligrams

The milligram equals one thousandth of a gram or one millionth of a kilogram. It is primarily used in medicine and pharmacology for precise drug dosages and in nutrition labels for vitamins and minerals.

Real-World Examples

  • A standard aspirin tablet contains 325 milligrams of active ingredient
  • The daily recommended intake of Vitamin C is 65 to 90 milligrams
  • A grain of salt weighs about 60 milligrams

💡 Did you know? Caffeine sensitivity varies widely. A typical cup of coffee contains 80 to 100 milligrams of caffeine, but some people feel effects from as little as 10 milligrams.

Frequently Asked Questions

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