Mass per volume density.
Nanograms per Gallon to Drams per Liter Converter — ng/gal to dr/L
Convert Nanogram per Gallon (ng/gal) to Dram per Liter (dr/L) using the exact conversion factor (1 nanogram per gallon = 1.490943e-10 dram per liter). See the formula, worked examples, and conversion table.
Nanograms per Gallon to Drams per Liter converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 2.64172052e-10 / 1.771845195.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nanograms per Gallon to Drams per Liter
Nanogram per Gallon and Dram per Liter both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
drams per liter = nanograms per gallon × 1.490943e-10
This factor comes from each unit's defined relationship to the category's base unit: 1 nanogram per gallon equals 2.641721e-10 base units, and 1 dram per liter equals 1.77184519531 base units, so dividing one by the other gives the direct nanogram per gallon-to-dram per liter factor of 1.490943e-10.
Simple example
1 ng/gal × 1.490943e-10 = 1.490943e-10 dr/L
1 nanogram per gallon = 1.490943e-10 drams per liter.
Real-world example
1,000 ng/gal × 1.490943e-10 = 1.490943e-7 dr/L
1,000 nanograms per gallon = 1.490943e-7 drams per liter.
Conversion table
| Nanogram per Gallon (ng/gal) | Dram per Liter (dr/L) |
|---|---|
| 0.1 ng/gal | 1.490943e-11 dr/L |
| 1 ng/gal | 1.490943e-10 dr/L |
| 10 ng/gal | 1.490943e-9 dr/L |
| 100 ng/gal | 1.490943e-8 dr/L |
| 1,000 ng/gal | 1.490943e-7 dr/L |
| 10,000 ng/gal | 0.0000014909 dr/L |
Reverse conversion: Dram per Liter to Nanogram per Gallon
1.490943e-10 dr/L × 6707163682 = 0.9999998741 ng/gal
1.490943e-10 drams per liter = 0.9999998741 nanograms per gallon.
nanograms per gallon = drams per liter × 6707163681.76
For a page dedicated to this direction, see Dram per Liter to Nanogram per Gallon.
Understanding the Nanogram per Gallon (ng/gal)
Mass per volume density.
Understanding the Dram per Liter (dr/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per liter are in 1 nanogram per gallon?
1 nanogram per gallon equals 1.490943e-10 drams per liter, using the exact defined conversion factor rather than an estimate.
How do I convert nanogram per gallon to dram per liter?
Multiply the nanogram per gallon value by 1.490943e-10. The converter above does this instantly to whatever precision you set.
How do I convert dram per liter back to nanogram per gallon?
Use the reverse factor: 1 dram per liter equals 6,707,163,682 nanograms per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanogram per gallon?
Nanogram per Gallon (ng/gal) is a unit of density.
What is a dram per liter?
Dram per Liter (dr/L) is a unit of density.
Is the nanogram per gallon to dram per liter conversion exact?
Yes. Both nanogram per gallon and dram per liter are defined by fixed standards rather than physical artifacts, so the factor of 1.490943e-10 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.