Mass concentration.
Grams per Liter to Milligrams per Fluid ounce Converter — g/L to mg/fl oz
Convert Gram per Liter (g/L) to Milligram per Fluid ounce (mg/fl oz) using the exact conversion factor (1 gram per liter = 29.57352956 milligram per fluid ounce). See the formula, worked examples, conversion table, and common uses.
Grams 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 1 / 0.0338140227.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Grams per Liter to Milligrams per Fluid ounce
Gram 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. Gram per Liter is most often used for water-quality and environmental testing standards.
Formula
milligrams per fluid ounce = grams per liter × 29.5735295625
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per liter equals 1 base unit, and 1 milligram per fluid ounce equals 0.0338140227018 base units, so dividing one by the other gives the direct gram per liter-to-milligram per fluid ounce factor of 29.5735295625.
Simple example
1 g/L × 29.57352956 = 29.57352956 mg/fl oz
1 gram per liter = 29.57352956 milligrams per fluid ounce.
Real-world example
100 g/L × 29.57352956 = 2,957.352956 mg/fl oz
100 grams per liter = 2,957.352956 milligrams per fluid ounce.
Conversion table
| Gram per Liter (g/L) | Milligram per Fluid ounce (mg/fl oz) |
|---|---|
| 0.001 g/L | 0.0295735296 mg/fl oz |
| 0.01 g/L | 0.2957352956 mg/fl oz |
| 0.1 g/L | 2.957352956 mg/fl oz |
| 1 g/L | 29.57352956 mg/fl oz |
| 10 g/L | 295.7352956 mg/fl oz |
| 100 g/L | 2,957.352956 mg/fl oz |
Reverse conversion: Milligram per Fluid ounce to Gram per Liter
29.57352956 mg/fl oz × 0.0338140227 = 0.9999999999 g/L
29.57352956 milligrams per fluid ounce = 0.9999999999 grams per liter.
grams per liter = milligrams per fluid ounce × 0.0338140227018
For a page dedicated to this direction, see Milligram per Fluid ounce to Gram per Liter.
Understanding the Gram per Liter
Gram per Liter (g/L) measures mass concentration. One gram of a substance dissolved or dispersed per liter of total solution or mixture volume. It is classified as a metric derived concentration unit.
Where it's used: Standard unit for water-quality and laboratory concentration reporting worldwide
Uses of the Gram per Liter today
- Water-quality and environmental testing standards
- Laboratory solution preparation
- Beverage and food-industry concentration specifications
Understanding the Milligram per Fluid ounce (mg/fl oz)
Mass concentration.
Gram per Liter — sources
- BIPM SI Brochure — Gram and litre as accepted units used to express 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 gram per liter?
1 gram per liter equals 29.57352956 milligrams per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert gram per liter to milligram per fluid ounce?
Multiply the gram per liter value by 29.57352956. The converter above does this instantly to whatever precision you set.
How do I convert milligram per fluid ounce back to gram per liter?
Use the reverse factor: 1 milligram per fluid ounce equals 0.0338140227 grams per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per liter?
Gram per Liter (g/L) measures mass concentration. One gram of a substance dissolved or dispersed per liter of total solution or mixture volume. It is classified as a metric derived concentration unit.
What is a milligram per fluid ounce?
Milligram per Fluid ounce (mg/fl oz) is a unit of chemistry.
Is the gram per liter to milligram per fluid ounce conversion exact?
Yes. Both gram per liter and milligram per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 29.57352956 used above is exact to as many digits as you choose to display.
Where is the gram per liter still used today?
Standard unit for water-quality and laboratory concentration reporting worldwide
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.