Mass concentration.
Ounces per Liter to Milligrams per Fluid ounce Converter — oz/L to mg/fl oz
Convert Ounce per Liter (oz/L) to Milligram per Fluid ounce (mg/fl oz) using the exact conversion factor (1 ounce per liter = 838.3954602 milligram per fluid ounce). See the formula, worked examples, and conversion table.
Ounces per Liter to Milligrams per Fluid ounce converter
Converter
Chemistry Converter
Convert concentration, molarity, amount, and laboratory scientific units by compatible family.
Context values
Some unit families need one extra value for a physically accurate result.
Mass concentration.
Result = input x 28.34952313 / 0.0338140227.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Liter to Milligrams per Fluid ounce
Ounce per Liter and Milligram per Fluid ounce both measure mass concentration — how much of a substance is dissolved or dispersed in a given volume — a core calculation for preparing lab solutions, checking water quality against a regulatory limit, or formulating a pharmaceutical dose. Both are mass concentration units.
Formula
milligrams per fluid ounce = ounces per liter × 838.39546022
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per liter equals 28.349523125 base units, and 1 milligram per fluid ounce equals 0.0338140227018 base units, so dividing one by the other gives the direct ounce per liter-to-milligram per fluid ounce factor of 838.39546022.
Simple example
1 oz/L × 838.3954602 = 838.3954602 mg/fl oz
1 ounce per liter = 838.3954602 milligrams per fluid ounce.
Real-world example
100 oz/L × 838.3954602 = 83,839.54602 mg/fl oz
100 ounces per liter = 83,839.54602 milligrams per fluid ounce.
Conversion table
| Ounce per Liter (oz/L) | Milligram per Fluid ounce (mg/fl oz) |
|---|---|
| 0.001 oz/L | 0.8383954602 mg/fl oz |
| 0.01 oz/L | 8.383954602 mg/fl oz |
| 0.1 oz/L | 83.83954602 mg/fl oz |
| 1 oz/L | 838.3954602 mg/fl oz |
| 10 oz/L | 8,383.954602 mg/fl oz |
| 100 oz/L | 83,839.54602 mg/fl oz |
Reverse conversion: Milligram per Fluid ounce to Ounce per Liter
838.3954602 mg/fl oz × 0.00119275455 = 1 oz/L
838.3954602 milligrams per fluid ounce = 1 ounces per liter.
ounces per liter = milligrams per fluid ounce × 0.00119275455015
For a page dedicated to this direction, see Milligram per Fluid ounce to Ounce per Liter.
Understanding the Ounce per Liter (oz/L)
Mass concentration.
Understanding the Milligram per Fluid ounce (mg/fl oz)
Mass concentration.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per fluid ounce are in 1 ounce per liter?
1 ounce per liter equals 838.3954602 milligrams per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per liter to milligram per fluid ounce?
Multiply the ounce per liter value by 838.3954602. The converter above does this instantly to whatever precision you set.
How do I convert milligram per fluid ounce back to ounce per liter?
Use the reverse factor: 1 milligram per fluid ounce equals 0.0011927546 ounces per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per liter?
Ounce per Liter (oz/L) is a unit of chemistry.
What is a milligram per fluid ounce?
Milligram per Fluid ounce (mg/fl oz) is a unit of chemistry.
Is the ounce per liter to milligram per fluid ounce conversion exact?
Yes. Both ounce per liter and milligram per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 838.3954602 used above is exact to as many digits as you choose to display.
What's the difference between mass concentration and molarity?
Mass concentration expresses how much mass of a substance is present per unit volume (for example, grams per liter). Molarity expresses the amount in moles per liter instead, which accounts for the substance's molecular weight. This category converts mass-concentration units.