Mass per volume density.
Nanograms per Gallon to Drams per Gallon Converter — ng/gal to dr/gal
Convert Nanogram per Gallon (ng/gal) to Dram per Gallon (dr/gal) using the exact conversion factor (1 nanogram per gallon = 5.643834e-10 dram per gallon). See the formula, worked examples, and conversion table.
Nanograms per Gallon to Drams per Gallon 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 / 0.4680719817.
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 Gallon
Nanogram per Gallon and Dram per Gallon 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 gallon = nanograms per gallon × 5.643834e-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 gallon equals 0.468071981707 base units, so dividing one by the other gives the direct nanogram per gallon-to-dram per gallon factor of 5.643834e-10.
Simple example
1 ng/gal × 5.643834e-10 = 5.643834e-10 dr/gal
1 nanogram per gallon = 5.643834e-10 drams per gallon.
Real-world example
1,000 ng/gal × 5.643834e-10 = 5.643834e-7 dr/gal
1,000 nanograms per gallon = 5.643834e-7 drams per gallon.
Conversion table
| Nanogram per Gallon (ng/gal) | Dram per Gallon (dr/gal) |
|---|---|
| 0.1 ng/gal | 5.643834e-11 dr/gal |
| 1 ng/gal | 5.643834e-10 dr/gal |
| 10 ng/gal | 5.643834e-9 dr/gal |
| 100 ng/gal | 5.643834e-8 dr/gal |
| 1,000 ng/gal | 5.643834e-7 dr/gal |
| 10,000 ng/gal | 0.0000056438 dr/gal |
Reverse conversion: Dram per Gallon to Nanogram per Gallon
5.643834e-10 dr/gal × 1771845195 = 1.000000016 ng/gal
5.643834e-10 drams per gallon = 1.000000016 nanograms per gallon.
nanograms per gallon = drams per gallon × 1771845195.31
For a page dedicated to this direction, see Dram per Gallon to Nanogram per Gallon.
Understanding the Nanogram per Gallon (ng/gal)
Mass per volume density.
Understanding the Dram per Gallon (dr/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per gallon are in 1 nanogram per gallon?
1 nanogram per gallon equals 5.643834e-10 drams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert nanogram per gallon to dram per gallon?
Multiply the nanogram per gallon value by 5.643834e-10. The converter above does this instantly to whatever precision you set.
How do I convert dram per gallon back to nanogram per gallon?
Use the reverse factor: 1 dram per gallon equals 1,771,845,195 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 gallon?
Dram per Gallon (dr/gal) is a unit of density.
Is the nanogram per gallon to dram per gallon conversion exact?
Yes. Both nanogram per gallon and dram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 5.643834e-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.