Mass concentration.
Milligrams per Liter to Ounces per Liter Converter — mg/L to oz/L
Convert Milligram per Liter (mg/L) to Ounce per Liter (oz/L) using the exact conversion factor (1 milligram per liter = 0.000035274 ounce per liter). See the formula, worked examples, conversion table, and common uses.
Milligrams per Liter to Ounces per Liter 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 0.001 / 28.34952313.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Liter to Ounces per Liter
Milligram per Liter and Ounce per Liter 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. Milligram per Liter is most often used for drinking-water quality standards and contaminant limits.
Formula
ounces per liter = milligrams per liter × 0.0000352739619496
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per liter equals 0.001 base units, and 1 ounce per liter equals 28.349523125 base units, so dividing one by the other gives the direct milligram per liter-to-ounce per liter factor of 0.0000352739619496.
Simple example
1 mg/L × 0.00003527396195 = 0.000035274 oz/L
1 milligram per liter = 0.000035274 ounces per liter.
Real-world example
100 mg/L × 0.00003527396195 = 0.0035273962 oz/L
100 milligrams per liter = 0.0035273962 ounces per liter.
Conversion table
| Milligram per Liter (mg/L) | Ounce per Liter (oz/L) |
|---|---|
| 0.001 mg/L | 3.527396e-8 oz/L |
| 0.01 mg/L | 3.527396e-7 oz/L |
| 0.1 mg/L | 0.0000035274 oz/L |
| 1 mg/L | 0.000035274 oz/L |
| 10 mg/L | 0.0003527396 oz/L |
| 100 mg/L | 0.0035273962 oz/L |
Reverse conversion: Ounce per Liter to Milligram per Liter
0.000035274 oz/L × 28349.52312 = 1.000001079 mg/L
0.000035274 ounces per liter = 1.000001079 milligrams per liter.
milligrams per liter = ounces per liter × 28349.523125
For a page dedicated to this direction, see Ounce per Liter to Milligram per Liter.
Understanding the Milligram per Liter
Milligram per Liter (mg/L) measures mass concentration. One milligram of a substance per liter of solution — for dilute water-based solutions, numerically almost identical to parts per million (ppm). It is classified as a metric derived concentration unit.
Where it's used: The standard unit for drinking-water and environmental contaminant limits worldwide (EPA, WHO)
mg/L vs. g/L. Both are metric mass-concentration units; 1,000 mg/L equals 1 g/L. mg/L is used for dilute concentrations (drinking water, blood tests), while g/L is more common for higher concentrations.
Uses of the Milligram per Liter today
- Drinking-water quality standards and contaminant limits
- Blood and serum concentration reporting in clinical medicine
- Environmental and wastewater testing
Understanding the Ounce per Liter (oz/L)
Mass concentration.
Milligram per Liter — sources
- US EPA — National Primary Drinking Water Regulations — Contaminant limits are set and reported in mg/L.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per liter are in 1 milligram per liter?
1 milligram per liter equals 0.000035274 ounces per liter, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per liter to ounce per liter?
Multiply the milligram per liter value by 0.00003527396195. The converter above does this instantly to whatever precision you set.
How do I convert ounce per liter back to milligram per liter?
Use the reverse factor: 1 ounce per liter equals 28,349.52312 milligrams per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per liter?
Milligram per Liter (mg/L) measures mass concentration. One milligram of a substance per liter of solution — for dilute water-based solutions, numerically almost identical to parts per million (ppm). It is classified as a metric derived concentration unit.
What is a ounce per liter?
Ounce per Liter (oz/L) is a unit of chemistry.
Is the milligram per liter to ounce per liter conversion exact?
Yes. Both milligram per liter and ounce per liter are defined by fixed standards rather than physical artifacts, so the factor of 0.00003527396195 used above is exact to as many digits as you choose to display.
What is the difference between mg/l vs. g/l?
Both are metric mass-concentration units; 1,000 mg/L equals 1 g/L. mg/L is used for dilute concentrations (drinking water, blood tests), while g/L is more common for higher concentrations.
Where is the milligram per liter still used today?
The standard unit for drinking-water and environmental contaminant limits worldwide (EPA, WHO)