Mass per volume density.
Nanograms per Gallon to Grams per Gallon Converter — ng/gal to g/gal
Convert Nanogram per Gallon (ng/gal) to Gram per Gallon (g/gal) using the exact conversion factor (1 nanogram per gallon = 1e-9 gram per gallon). See the formula, worked examples, and conversion table.
Nanograms per Gallon to Grams 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 / 0.2641720524.
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 Grams per Gallon
Nanogram per Gallon and Gram 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
grams per gallon = nanograms per gallon × 1e-9
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 gram per gallon equals 0.264172052358 base units, so dividing one by the other gives the direct nanogram per gallon-to-gram per gallon factor of 1e-9.
Simple example
1 ng/gal × 1e-9 = 1e-9 g/gal
1 nanogram per gallon = 1e-9 grams per gallon.
Real-world example
1,000 ng/gal × 1e-9 = 0.000001 g/gal
1,000 nanograms per gallon = 0.000001 grams per gallon.
Conversion table
| Nanogram per Gallon (ng/gal) | Gram per Gallon (g/gal) |
|---|---|
| 0.1 ng/gal | 1e-10 g/gal |
| 1 ng/gal | 1e-9 g/gal |
| 10 ng/gal | 1e-8 g/gal |
| 100 ng/gal | 1e-7 g/gal |
| 1,000 ng/gal | 0.000001 g/gal |
| 10,000 ng/gal | 0.00001 g/gal |
Reverse conversion: Gram per Gallon to Nanogram per Gallon
1e-9 g/gal × 1000000000 = 1 ng/gal
1e-9 grams per gallon = 1 nanograms per gallon.
nanograms per gallon = grams per gallon × 1000000000
For a page dedicated to this direction, see Gram per Gallon to Nanogram per Gallon.
Understanding the Nanogram per Gallon (ng/gal)
Mass per volume density.
Understanding the Gram per Gallon (g/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per gallon are in 1 nanogram per gallon?
1 nanogram per gallon equals 1e-9 grams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert nanogram per gallon to gram per gallon?
Multiply the nanogram per gallon value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert gram per gallon back to nanogram per gallon?
Use the reverse factor: 1 gram per gallon equals 1,000,000,000 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 gram per gallon?
Gram per Gallon (g/gal) is a unit of density.
Is the nanogram per gallon to gram per gallon conversion exact?
Yes. Both nanogram per gallon and gram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 1e-9 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.