Milligrams to US Fluid Ounces Converter
Convert milligrams (mg) to US fluid ounces (fl oz)
Result
1 mg of water = 0.000033814023 fl oz
1 mg in other units
- 1Enter a valueType the number to convert
- 2Pick the unitsChoose what to convert from and to
- 3Read the resultSee it in every other unit too
How to convert milligrams to US fluid ounces
Weight and volume are linked by density. Water weighs 1 gram per millilitre, so for water fl oz = mg × 0.00003381402 (water). For other substances, pick one above.
fl oz = mg × 0.00003381402 (water)
500 mg of water = 0.01690701 fl oz
Other substances
1 mg is milk 0.00003283 fl oz, cooking oil 0.00003675 fl oz, ghee (melted) 0.00003716 fl oz, honey 0.00002381 fl oz. Lighter substances such as oil take up more volume for the same weight.
About milligrams (mg)
A milligram is one thousandth of a gram. Medicine doses are often given in milligrams.
About US fluid ounces (fl oz)
A US fluid ounce is about 29.57 mL. It measures volume, not weight.
More conversions
Milligrams to other units
Other units to US Fluid Ounces
Frequently asked questions
How many US fluid ounces are in one milligram?
For water, one milligram is 0.00003381402 US fluid ounces. For other substances it depends on density: milk 0.00003283 fl oz, cooking oil 0.00003675 fl oz, ghee (melted) 0.00003716 fl oz, honey 0.00002381 fl oz.
Is the mg to fl oz conversion the same for every liquid?
No. Weight and volume are linked by density, so oil, milk and honey all give different answers. Pick the substance in the converter above.
How do I convert milligrams to US fluid ounces?
Turn the weight into grams, divide by the density in g/mL to get millilitres, then convert to US fluid ounces. For water: 500 mg = 0.01690701 fl oz.