Mass per volume density.
Drams per Pint to Stones per Gallon Converter — dr/pt to st/gal
Convert Dram per Pint (dr/pt) to Stone per Gallon (st/gal) using the exact conversion factor (1 dram per pint = 0.0022321429 stone per gallon). See the formula, worked examples, and conversion table.
Drams per Pint to Stones 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 3.744575854 / 1677.569982.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Pint to Stones per Gallon
Dram per Pint and Stone 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
stones per gallon = drams per pint × 0.00223214285714
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per pint equals 3.74457585365 base units, and 1 stone per gallon equals 1677.56998244 base units, so dividing one by the other gives the direct dram per pint-to-stone per gallon factor of 0.00223214285714.
Simple example
1 dr/pt × 0.002232142857 = 0.0022321429 st/gal
1 dram per pint = 0.0022321429 stones per gallon.
Real-world example
1,000 dr/pt × 0.002232142857 = 2.232142857 st/gal
1,000 drams per pint = 2.232142857 stones per gallon.
Conversion table
| Dram per Pint (dr/pt) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 dr/pt | 0.0002232143 st/gal |
| 1 dr/pt | 0.0022321429 st/gal |
| 10 dr/pt | 0.0223214286 st/gal |
| 100 dr/pt | 0.2232142857 st/gal |
| 1,000 dr/pt | 2.232142857 st/gal |
| 10,000 dr/pt | 22.32142857 st/gal |
Reverse conversion: Stone per Gallon to Dram per Pint
0.0022321429 st/gal × 448 = 1.000000019 dr/pt
0.0022321429 stones per gallon = 1.000000019 drams per pint.
drams per pint = stones per gallon × 448
For a page dedicated to this direction, see Stone per Gallon to Dram per Pint.
Understanding the Dram per Pint (dr/pt)
Mass per volume density.
Understanding the Stone per Gallon (st/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per gallon are in 1 dram per pint?
1 dram per pint equals 0.0022321429 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per pint to stone per gallon?
Multiply the dram per pint value by 0.002232142857. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to dram per pint?
Use the reverse factor: 1 stone per gallon equals 448 drams per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per pint?
Dram per Pint (dr/pt) is a unit of density.
What is a stone per gallon?
Stone per Gallon (st/gal) is a unit of density.
Is the dram per pint to stone per gallon conversion exact?
Yes. Both dram per pint and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.002232142857 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.