mg/L to ng/L Converter
Enter the density in mg/l below to convert it to ng/l.
Convert mg/L to ng/L
Enter a value in mg/l (mg/L) to convert to ng/l (ng/L).
Milligram per Liter to Nanogram per Liter Conversion Table
Table showing various milligram per liter measurements converted to ng/l. Click any preset value or arrow to load it into the converter.
How to Convert mg/L to ng/L
To convert mg/l to ng/l, multiply the density by the following conversion ratio: 1,000,000 ng/l/milligram per liter.
Since one milligram per liter is equal to 1,000,000 ng/l, you can use this simple formula to convert:
The density in ng/l is equal to the density in mg/l multiplied by 1,000,000.
For example, here's how to convert 5 mg/l to ng/l using the formula above.
How Many ng/L Are in a Milligram per Liter?
There are 1,000,000 ng/l in a milligram per liter, which is why we use this value in the formula above.
Our milligram per liter to nanogram per liter calculator automatically converts your density measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
mg/L and ng/l are both units used to measure density. Keep reading to learn more about each unit.
What Is a Milligram per Liter?
A milligram per liter is a unit of density equal to 1/1,000 of a kilogram per cubic meter (0.001 kg/m³). Solution concentration unit equal to 0.001 g/L (1 ppm in water). [1]
The milligram per liter is classified as a metric and SI-compatible unit of density. mg/L can be abbreviated as mg/L; for example, 1 milligram per liter can be written as 1 mg/L.
In the metric system, "milli" is the standard SI prefix for thousandths, or 10⁻³. This makes the milligram per liter (mg/L) a convenient decimal multiple of the kilogram per cubic meter (kg/m³).
In practice, mg/l (mg/L) are widely used across fine-tolerance laboratory, analytical, and micro-scale density measurements within SI metric workflows, engineering documentation, and technical data sheets.
What Is a Nanogram per Liter?
A nanogram per liter is a unit of density equal to 1/1,000,000,000 of a kilogram per cubic meter (1e-9 kg/m³). Equal to 10⁻⁶ mg/L. [2]
The nanogram per liter is classified as a metric and SI-compatible unit of density. ng/L can be abbreviated as ng/L; for example, 1 nanogram per liter can be written as 1 ng/L.
In the metric system, "nano" is the standard SI prefix for billionths, or 10⁻⁹. This makes the nanogram per liter (ng/L) a convenient decimal multiple of the kilogram per cubic meter (kg/m³).
In practice, ng/l (ng/L) are widely used across fine-tolerance laboratory, analytical, and micro-scale density measurements within SI metric workflows, engineering documentation, and technical data sheets.
When converting density between mg/l (mg/L) and ng/l (ng/L), keep full floating-point precision (1 mg/L = 1,000,000 ng/L; 1 ng/L = 0.000001 mg/L) during intermediate calculations and round only the final nanogram per liter figure to match your instrument tolerance.
More Milligram per Liter & Nanogram per Liter Conversions
Need to calculate in the opposite direction? Use our ng/l to mg/l calculator to switch your starting unit immediately. You can also explore related tools such as converting ng/l to mg/l, converting kg/m³ to g/cm³, or converting g/cm³ to kg/m³.
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Volume & Mass Concentration)·Density & Concentration Metrology Standard — mg/L (mg/L) to ng/L (ng/L)
- [2]NIST SP 811 SpecificationNIST SP 811 (NIST SP 811 App. B.9 (Mass Density))·Unit Specifications: Milligram per Liter (mg/L) & Nanogram per Liter (ng/L)
- [3]BIPM ReferenceBIPM (Coherent SI Density Standards (kg/m³))·Conversion Factors & Mathematical Basis (mg/L to ng/L)