Mass per volume density.
Drams per Gallon to Milligrams per Pint Converter — dr/gal to mg/pt
Convert Dram per Gallon (dr/gal) to Milligram per Pint (mg/pt) using the exact conversion factor (1 dram per gallon = 221.4806494 milligram per pint). See the formula, worked examples, and conversion table.
Drams per Gallon to Milligrams 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 0.4680719817 / 0.002113376419.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Gallon to Milligrams per Pint
Dram per Gallon and Milligram 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
milligrams per pint = drams per gallon × 221.480649414
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per gallon equals 0.468071981707 base units, and 1 milligram per pint equals 0.00211337641887 base units, so dividing one by the other gives the direct dram per gallon-to-milligram per pint factor of 221.480649414.
Simple example
1 dr/gal × 221.4806494 = 221.4806494 mg/pt
1 dram per gallon = 221.4806494 milligrams per pint.
Real-world example
1,000 dr/gal × 221.4806494 = 221,480.6494 mg/pt
1,000 drams per gallon = 221,480.6494 milligrams per pint.
Conversion table
| Dram per Gallon (dr/gal) | Milligram per Pint (mg/pt) |
|---|---|
| 0.1 dr/gal | 22.14806494 mg/pt |
| 1 dr/gal | 221.4806494 mg/pt |
| 10 dr/gal | 2,214.806494 mg/pt |
| 100 dr/gal | 22,148.06494 mg/pt |
| 1,000 dr/gal | 221,480.6494 mg/pt |
| 10,000 dr/gal | 2,214,806.494 mg/pt |
Reverse conversion: Milligram per Pint to Dram per Gallon
221.4806494 mg/pt × 0.00451506713 = 0.9999999999 dr/gal
221.4806494 milligrams per pint = 0.9999999999 drams per gallon.
drams per gallon = milligrams per pint × 0.00451506712955
For a page dedicated to this direction, see Milligram per Pint to Dram per Gallon.
Understanding the Dram per Gallon (dr/gal)
Mass per volume density.
Understanding the Milligram per Pint (mg/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per pint are in 1 dram per gallon?
1 dram per gallon equals 221.4806494 milligrams per pint, using the exact defined conversion factor rather than an estimate.
How do I convert dram per gallon to milligram per pint?
Multiply the dram per gallon value by 221.4806494. The converter above does this instantly to whatever precision you set.
How do I convert milligram per pint back to dram per gallon?
Use the reverse factor: 1 milligram per pint equals 0.0045150671 drams per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per gallon?
Dram per Gallon (dr/gal) is a unit of density.
What is a milligram per pint?
Milligram per Pint (mg/pt) is a unit of density.
Is the dram per gallon to milligram per pint conversion exact?
Yes. Both dram per gallon and milligram per pint are defined by fixed standards rather than physical artifacts, so the factor of 221.4806494 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.