Mass per volume density.
Decigrams per Pint to Nanograms per Gallon Converter — dg/pt to ng/gal
Convert Decigram per Pint (dg/pt) to Nanogram per Gallon (ng/gal) using the exact conversion factor (1 decigram per pint = 800,000,000 nanogram per gallon). See the formula, worked examples, and conversion table.
Decigrams per Pint to Nanograms 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 0.2113376419 / 2.64172052e-10.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Decigrams per Pint to Nanograms per Gallon
Decigram per Pint and Nanogram 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
nanograms per gallon = decigrams per pint × 800000000
This factor comes from each unit's defined relationship to the category's base unit: 1 decigram per pint equals 0.211337641887 base units, and 1 nanogram per gallon equals 2.641721e-10 base units, so dividing one by the other gives the direct decigram per pint-to-nanogram per gallon factor of 800000000.
Simple example
1 dg/pt × 800000000 = 800,000,000 ng/gal
1 decigram per pint = 800,000,000 nanograms per gallon.
Real-world example
1,000 dg/pt × 800000000 = 800,000,000,000 ng/gal
1,000 decigrams per pint = 800,000,000,000 nanograms per gallon.
Conversion table
| Decigram per Pint (dg/pt) | Nanogram per Gallon (ng/gal) |
|---|---|
| 0.1 dg/pt | 80,000,000 ng/gal |
| 1 dg/pt | 800,000,000 ng/gal |
| 10 dg/pt | 8,000,000,000 ng/gal |
| 100 dg/pt | 80,000,000,000 ng/gal |
| 1,000 dg/pt | 800,000,000,000 ng/gal |
| 10,000 dg/pt | 8e+12 ng/gal |
Reverse conversion: Nanogram per Gallon to Decigram per Pint
1 ng/gal × 1.25e-9 = 1.25e-9 dg/pt
1 nanogram per gallon = 1.25e-9 decigrams per pint.
decigrams per pint = nanograms per gallon × 1.25e-9
For a page dedicated to this direction, see Nanogram per Gallon to Decigram per Pint.
Understanding the Decigram per Pint (dg/pt)
Mass per volume density.
Understanding the Nanogram per Gallon (ng/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nanograms per gallon are in 1 decigram per pint?
1 decigram per pint equals 800,000,000 nanograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert decigram per pint to nanogram per gallon?
Multiply the decigram per pint value by 800000000. The converter above does this instantly to whatever precision you set.
How do I convert nanogram per gallon back to decigram per pint?
Use the reverse factor: 1 nanogram per gallon equals 1.25e-9 decigrams per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a decigram per pint?
Decigram per Pint (dg/pt) is a unit of density.
What is a nanogram per gallon?
Nanogram per Gallon (ng/gal) is a unit of density.
Is the decigram per pint to nanogram per gallon conversion exact?
Yes. Both decigram per pint and nanogram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 800000000 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.