1 oz to mg

Ounces:

1 oz to mg

Converting 1 oz to mg is important in nutrition, pharmaceuticals, and everyday kitchen use. Milligrams are useful for precise measurements while ounces are common in the US and other imperial systems.

Use our 1 oz to mg calculator for fast and accurate results—perfect for recipes, supplements, and science.

Why Use This Converter?

Instant ounces to milligrams conversion
Helpful in food packaging, medicine, and chemistry
Accessible on all devices with no math required

Conversion Formula

1 ounce = 28,349.5 milligrams

Example: 1 oz × 28,349.5 = 28 350 mg

Understanding Ounces and Milligrams

Ounce (oz): A unit of mass used in the imperial system, widely used in the U.S. for food, medicine, and small weights.

Milligram (mg): A metric unit of mass. 1,000 mg = 1 gram. Ideal for accurate small quantity measurement.

Learn more:
Ounce – Wikipedia,
Milligram – Dictionary.com

Common Ounces to Milligrams Conversions

1 oz = 28,349.5 mg
2 oz = 56,699 mg
4 oz = 113,398 mg
1 oz = 28 350 mg

Real-Life Examples

1 oz of flour ≈ 28 350 mg in a baking recipe
1 oz of medication ≈ 28 350 mg dosage
1 oz in chemical substances ≈ 28 350 mg for lab work

Reverse Conversion

To convert milligrams to ounces: mg ÷ 28,349.5

28 350 mg ÷ 28,349.5 ≈ 1 oz
56,699 mg ÷ 28,349.5 ≈ 2 oz

Final Thoughts – 1 oz to mg

1 oz to mg offers a precise way to convert weight units for cooking, healthcare, and science. Use our free calculator anytime.

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