how many milligrams are in an ounce

Guri Bee

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22-10-2024

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Unveiling the Mystery: How Many Milligrams are in an Ounce?

Have you ever wondered how many milligrams are in an ounce? This seemingly simple question can be a bit tricky, as it depends on whether you're talking about an ounce avoirdupois (the most common type) or an ounce troy.

Let's dive into the details!

Avoirdupois Ounce: The Everyday Ounce

The avoirdupois ounce, commonly used for everyday items like food and medicine, weighs 28.3495 grams.

To convert grams to milligrams, we simply multiply by 1000.

Therefore, one avoirdupois ounce is equivalent to 28,349.5 milligrams.

Example: If a box of cereal weighs 12 ounces, it contains 12 x 28,349.5 milligrams, which equals 340,194 milligrams.

Troy Ounce: The Precious Metal Ounce

The troy ounce is primarily used for measuring precious metals like gold and silver. Unlike the avoirdupois ounce, it weighs 31.1035 grams.

Using the same conversion factor of 1000 milligrams per gram, one troy ounce equates to 31,103.5 milligrams.

Example: If a gold bar weighs 10 troy ounces, it contains 10 x 31,103.5 milligrams, which equals 311,035 milligrams.

Key Takeaways:

• Avoirdupois ounce: 28.3495 grams = 28,349.5 milligrams
• Troy ounce: 31.1035 grams = 31,103.5 milligrams

Remember: Always be mindful of which type of ounce is being used, as the weight difference can significantly impact calculations.

Bonus Tip:

To avoid confusion, you can use the symbol "oz av" for the avoirdupois ounce and "oz t" for the troy ounce.

Need to convert grams to milligrams? Simply multiply the gram value by 1000.

Want to learn more? Visit the NIST website for comprehensive information on weights and measures.