Mass per volume density.
Milligrams per Pint to Drams per Gallon Converter — mg/pt to dr/gal
Convert Milligram per Pint (mg/pt) to Dram per Gallon (dr/gal) using the exact conversion factor (1 milligram per pint = 0.0045150671 dram per gallon). See the formula, worked examples, and conversion table.
Milligrams per Pint to Drams 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 0.002113376419 / 0.4680719817.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Pint to Drams per Gallon
Milligram per Pint and Dram 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
drams per gallon = milligrams per pint × 0.00451506712955
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per pint equals 0.00211337641887 base units, and 1 dram per gallon equals 0.468071981707 base units, so dividing one by the other gives the direct milligram per pint-to-dram per gallon factor of 0.00451506712955.
Simple example
1 mg/pt × 0.00451506713 = 0.0045150671 dr/gal
1 milligram per pint = 0.0045150671 drams per gallon.
Real-world example
1,000 mg/pt × 0.00451506713 = 4.51506713 dr/gal
1,000 milligrams per pint = 4.51506713 drams per gallon.
Conversion table
| Milligram per Pint (mg/pt) | Dram per Gallon (dr/gal) |
|---|---|
| 0.1 mg/pt | 0.0004515067 dr/gal |
| 1 mg/pt | 0.0045150671 dr/gal |
| 10 mg/pt | 0.0451506713 dr/gal |
| 100 mg/pt | 0.451506713 dr/gal |
| 1,000 mg/pt | 4.51506713 dr/gal |
| 10,000 mg/pt | 45.1506713 dr/gal |
Reverse conversion: Dram per Gallon to Milligram per Pint
0.0045150671 dr/gal × 221.4806494 = 0.9999999935 mg/pt
0.0045150671 drams per gallon = 0.9999999935 milligrams per pint.
milligrams per pint = drams per gallon × 221.480649414
For a page dedicated to this direction, see Dram per Gallon to Milligram per Pint.
Understanding the Milligram per Pint (mg/pt)
Mass per volume density.
Understanding the Dram per Gallon (dr/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per gallon are in 1 milligram per pint?
1 milligram per pint equals 0.0045150671 drams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per pint to dram per gallon?
Multiply the milligram per pint value by 0.00451506713. The converter above does this instantly to whatever precision you set.
How do I convert dram per gallon back to milligram per pint?
Use the reverse factor: 1 dram per gallon equals 221.4806494 milligrams per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per pint?
Milligram per Pint (mg/pt) is a unit of density.
What is a dram per gallon?
Dram per Gallon (dr/gal) is a unit of density.
Is the milligram per pint to dram per gallon conversion exact?
Yes. Both milligram per pint and dram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.00451506713 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.