Mass per volume density.
Drams per Quart to Milligrams per Gallon Converter — dr/qt to mg/gal
Convert Dram per Quart (dr/qt) to Milligram per Gallon (mg/gal) using the exact conversion factor (1 dram per quart = 7,087.380781 milligram per gallon). See the formula, worked examples, and conversion table.
Drams per Quart to Milligrams 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 1.872287927 / 0.0002641720524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Quart to Milligrams per Gallon
Dram per Quart and Milligram 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
milligrams per gallon = drams per quart × 7087.38078125
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per quart equals 1.87228792683 base units, and 1 milligram per gallon equals 0.000264172052358 base units, so dividing one by the other gives the direct dram per quart-to-milligram per gallon factor of 7087.38078125.
Simple example
1 dr/qt × 7087.380781 = 7,087.380781 mg/gal
1 dram per quart = 7,087.380781 milligrams per gallon.
Real-world example
1,000 dr/qt × 7087.380781 = 7,087,380.781 mg/gal
1,000 drams per quart = 7,087,380.781 milligrams per gallon.
Conversion table
| Dram per Quart (dr/qt) | Milligram per Gallon (mg/gal) |
|---|---|
| 0.1 dr/qt | 708.7380781 mg/gal |
| 1 dr/qt | 7,087.380781 mg/gal |
| 10 dr/qt | 70,873.80781 mg/gal |
| 100 dr/qt | 708,738.0781 mg/gal |
| 1,000 dr/qt | 7,087,380.781 mg/gal |
| 10,000 dr/qt | 70,873,807.81 mg/gal |
Reverse conversion: Milligram per Gallon to Dram per Quart
1 mg/gal × 0.0001410958478 = 0.0001410958 dr/qt
1 milligram per gallon = 0.0001410958 drams per quart.
drams per quart = milligrams per gallon × 0.000141095847798
For a page dedicated to this direction, see Milligram per Gallon to Dram per Quart.
Understanding the Dram per Quart (dr/qt)
Mass per volume density.
Understanding the Milligram per Gallon (mg/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per gallon are in 1 dram per quart?
1 dram per quart equals 7,087.380781 milligrams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per quart to milligram per gallon?
Multiply the dram per quart value by 7087.380781. The converter above does this instantly to whatever precision you set.
How do I convert milligram per gallon back to dram per quart?
Use the reverse factor: 1 milligram per gallon equals 0.0001410958 drams per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per quart?
Dram per Quart (dr/qt) is a unit of density.
What is a milligram per gallon?
Milligram per Gallon (mg/gal) is a unit of density.
Is the dram per quart to milligram per gallon conversion exact?
Yes. Both dram per quart and milligram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 7087.380781 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.