The milligram is one-thousandth of a gram, used for very small ingredient amounts such as spices or additives.
Milligram to Ounce
Convert Milligram to Ounce instantly. Free online cooking unit converter with exact formula, conversion table and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
Converter
Cooking Converter
Convert cooking volume and mass units used in recipes and nutrition workflows.
An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
oz = mg × 3.527396195e-05
Results update instantly for Milligram to Ounce conversions.
Reserved above the conversion cards and below the converter.
Formula
oz = mg × 3.527396195e-05
mg = oz × 28349.52313
Conversion table
| 1 mg | 3.527396e-5 oz |
| 5 mg | 1.763698e-4 oz |
| 10 mg | 3.527396e-4 oz |
| 20 mg | 7.054792e-4 oz |
| 50 mg | 0.001764 oz |
| 100 mg | 0.003527 oz |
| 500 mg | 0.017637 oz |
| 1000 mg | 0.035274 oz |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
What is the source unit in this conversion?
The source unit is the milligram (mg). The milligram is one-thousandth of a gram, used for very small ingredient amounts such as spices or additives.
What is the destination unit in this conversion?
The destination unit is the ounce (oz). An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
How do I convert milligram to ounce?
Multiply the milligram value by 3.527396195e-05. For example, 10 mg × 3.527396195e-05 = 3.527396e-4 oz.
Is the milligram to ounce conversion exact?
Yes. This conversion uses a fixed factor defined for cooking measurement standards, so results are consistent every time.
Where is this conversion commonly used?
It's used when following recipes, adjusting ingredient quantities, or converting between US customary and metric cooking measurements.
Can I convert ounce back to milligram?
Yes. Multiply the ounce value by 28349.52313 to get milligram.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
This page converts milligram (mg) to ounce (oz) within the cooking converter.
The milligram is one-thousandth of a gram, used for very small ingredient amounts such as spices or additives. An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
The formula is oz = mg × 3.527396195e-05, based on each unit's fixed relationship to the cooking converter's reference units.
Results are consistent because the conversion relies on a fixed numerical ratio rather than an estimate.
Use the calculator above for instant results, or the table below for common milligram values already converted to ounce.