Mg to Oz Conversion - Free & Instant Milligrams ⇄ Ounces Converter

Convert between milligrams (mg) and ounces (oz) with precision using standard weight measurements

Milligrams to Ounces Converter Tool
Enter a value to convert between milligrams and ounces with bidirectional conversion (1 ounce = 28,349.5 milligrams)
Note: This converter uses standard conversion (1 ounce = 28,349.5 milligrams). Perfect for medication dosages, supplement measurements, precious metals, and precise weight conversions.

Need to perform an accurate mg to oz conversion or the reverse? Our mg ⇄ oz converter gives instant results. Whether you are measuring medicine, food, or lab materials, converting between milligrams and ounces ensures precision.

Why Users Love This mg ⇄ oz Conversion

  • Accurate formula: Uses the standard metric–imperial conversion.
  • Instant results: No waiting, values update immediately.
  • Two-way conversion: Works for both mg to oz and oz to mg.
  • Clear display: Shows exact and rounded numbers.
  • Device friendly: Works smoothly on mobile and desktop.

How to Use the Converter

  1. Enter the value in milligrams or ounces.
  2. Select the conversion direction.
  3. Get the result instantly.
  4. Copy, share, or save the answer.

What is a Milligram (mg)?

milligram is a unit of mass in the metric system. It represents one-thousandth of a gram.

Key Facts About Milligrams

  • Exact value: 1 mg = 0.001 g.
  • Relationship: 1000 mg = 1 g.
  • Abbreviation: mg.
  • Usage: Medicine dosages, vitamins, food supplements, lab analysis.

What is an Ounce (oz)?

An ounce is a unit of weight in the imperial and US customary systems. It is larger than a gram or milligram and is widely used in daily life.

Key Facts About Ounces

  • Exact value: 1 oz = 28.3495 g = 28,349.5 mg.
  • Relationship: 16 oz = 1 pound.
  • Abbreviation: oz.
  • Usage: Cooking, grocery packaging, shipping, and nutrition facts.

Mg to Oz Conversion Formula

Formula:

Ounces = Milligrams ÷ 28,349.5

Mg to Oz Conversion Example

  • 28,349.5 mg to oz
    Step 1: Formula = oz = mg ÷ 28,349.5
    Step 2: Substitute = 28,349.5 ÷ 28,349.5
    Step 3: Result = 1 oz
     
  • 56,699 mg to oz
    Step 1: oz = mg ÷ 28,349.5
    Step 2: Substitute = 56,699 ÷ 28,349.5
    Step 3: Result = 2 oz
     
  • 141,747.5 mg to oz
    Step 1: oz = mg ÷ 28,349.5
    Step 2: Substitute = 141,747.5 ÷ 28,349.5
    Step 3: Result = 5 oz

Oz to Mg Conversion Formula

Formula:

Milligrams = Ounces × 28,349.5

Oz to Mg Conversion Example

  • 1 oz to mg
    Step 1: Formula = mg = oz × 28,349.5
    Step 2: Substitute = 1 × 28,349.5
    Step 3: Result = 28,349.5 mg
     
  • 2.5 oz to mg
    Step 1: mg = oz × 28,349.5
    Step 2: Substitute = 2.5 × 28,349.5
    Step 3: Result = 70,873.8 mg
     
  • 10 oz to mg
    Step 1: mg = oz × 28,349.5
    Step 2: Substitute = 10 × 28,349.5
    Step 3: Result = 283,495 mg

Applications of mg and oz Conversion

  • Medicine: Converting drug dosages between metric (mg) and imperial (oz) systems.
  • Nutrition: Food and supplement labels use both units depending on the country.
  • Cooking: Recipes from the US often use ounces, while global recipes use mg or grams.
  • Science: Laboratory samples and powders may require mg ⇄ oz conversion.
  • Everyday life: Grocery packaging and shipping use ounces, while supplements may list mg.

Quick Reference Table for mg ⇄ oz

Milligrams (mg)

Ounces (oz)

Ounces (oz)

Milligrams (mg)

28,349.5 mg

1 oz

1 oz

28,349.5 mg

56,699 mg

2 oz

2.5 oz

70,873.8 mg

141,747.5 mg

5 oz

5 oz

141,747.5 mg

283,495 mg

10 oz

10 oz

283,495 mg

Use our mg ⇄ oz converter at Digital Calculator for fast, accurate, and reliable results. Perfect for medicine, cooking, nutrition, and science.

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Published: 9/26/2025