Ounce to Milligram Converter

Convert ounces to milligrams instantly with our accurate and easy-to-use conversion tool.

oz
Result
0mg

Milligram

Conversion Formula

Milligram = Ounce × 2.8350e+4

Where:

  • oz = Ounce
  • mg = Milligram

About Ounce

The ounce (oz) is a unit of weightin the imperial system of measurement.

About Milligram

The milligram (mg) is a unit of weightin the metric system of measurement.

How to Convert Ounce to Milligram

To convert from ounces to milligrams, use our converter above. Simply enter the value in ouncesand get instant results in milligrams.

Quick Reference:

  • 1 oz = 28349.500000 mg
  • 1 mg = 0.000035 oz

Common Ounce to Milligram Conversions

1 oz
= 28349.50 mg
5 oz
= 141747.50 mg
10 oz
= 283495.00 mg
25 oz
= 708737.50 mg
50 oz
= 1417475.00 mg
100 oz
= 2834950.00 mg

Conversion Reference Table

Ounce (oz)Milligram (mg)
128,349.5
256,699
385,048.5
4113,398
5141,747.5
10283,495
15425,242.5
20566,990
25708,737.5
501,417,475
752,126,212.5
1002,834,950
2507,087,375
50014,174,750
1,00028,349,500

Quick reference table showing common ounces to milligrams conversions.

Real-World Weight Conversions

💪

Fitness and Body Weight

Tracking weight loss or gain. Gym equipment may show weights in pounds or kilograms. Body weight in the UK is often measured in stones.

👨‍🍳

Cooking and Recipes

International recipes use different weight units. Baking especially requires precise measurements (grams vs ounces).

📦

Shipping and Postal Services

Package weight determines shipping costs. Different carriers and countries may use different units for weight limits.

🛒

Grocery Shopping

Food products labeled in grams, kilograms, pounds, or ounces. Price comparisons often require unit conversions.

👶

Newborn Baby Weight

Birth weight is recorded in pounds and ounces in the US, but kilograms and grams in most other countries.

🧳

Luggage Restrictions

Airlines have baggage weight limits in either kilograms or pounds depending on the airline and region.

Weight Conversion FAQs