Mass per volume density.
Grains per Gallon to Drams per Pint Converter — gr/gal to dr/pt
Convert Grain per Gallon (gr/gal) to Dram per Pint (dr/pt) using the exact conversion factor (1 grain per gallon = 0.0045714286 dram per pint). See the formula, worked examples, and conversion table.
Grains per Gallon to Drams per Pint 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 0.01711806105 / 3.744575854.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Gallon to Drams per Pint
Grain per Gallon and Dram per Pint 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 pint = grains per gallon × 0.00457142857143
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per gallon equals 0.0171180610453 base units, and 1 dram per pint equals 3.74457585365 base units, so dividing one by the other gives the direct grain per gallon-to-dram per pint factor of 0.00457142857143.
Simple example
1 gr/gal × 0.004571428571 = 0.0045714286 dr/pt
1 grain per gallon = 0.0045714286 drams per pint.
Real-world example
1,000 gr/gal × 0.004571428571 = 4.571428571 dr/pt
1,000 grains per gallon = 4.571428571 drams per pint.
Conversion table
| Grain per Gallon (gr/gal) | Dram per Pint (dr/pt) |
|---|---|
| 0.1 gr/gal | 0.0004571429 dr/pt |
| 1 gr/gal | 0.0045714286 dr/pt |
| 10 gr/gal | 0.0457142857 dr/pt |
| 100 gr/gal | 0.4571428571 dr/pt |
| 1,000 gr/gal | 4.571428571 dr/pt |
| 10,000 gr/gal | 45.71428571 dr/pt |
Reverse conversion: Dram per Pint to Grain per Gallon
0.0045714286 dr/pt × 218.75 = 1.000000006 gr/gal
0.0045714286 drams per pint = 1.000000006 grains per gallon.
grains per gallon = drams per pint × 218.75
For a page dedicated to this direction, see Dram per Pint to Grain per Gallon.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Understanding the Dram per Pint (dr/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per pint are in 1 grain per gallon?
1 grain per gallon equals 0.0045714286 drams per pint, using the exact defined conversion factor rather than an estimate.
How do I convert grain per gallon to dram per pint?
Multiply the grain per gallon value by 0.004571428571. The converter above does this instantly to whatever precision you set.
How do I convert dram per pint back to grain per gallon?
Use the reverse factor: 1 dram per pint equals 218.75 grains per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
What is a dram per pint?
Dram per Pint (dr/pt) is a unit of density.
Is the grain per gallon to dram per pint conversion exact?
Yes. Both grain per gallon and dram per pint are defined by fixed standards rather than physical artifacts, so the factor of 0.004571428571 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.