Mass per volume density.
Drams per Teaspoon to Milligrams per Imperial gallon Converter — dr/tsp to mg/imp gal
Convert Dram per Teaspoon (dr/tsp) to Milligram per Imperial gallon (mg/imp gal) using the exact conversion factor (1 dram per teaspoon = 1,634,225.169 milligram per imperial gallon). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Milligrams per Imperial 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 359.479282 / 0.0002199692483.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Teaspoon to Milligrams per Imperial gallon
Dram per Teaspoon and Milligram per Imperial 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 imperial gallon = drams per teaspoon × 1634225.16888
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per teaspoon equals 359.479281951 base units, and 1 milligram per imperial gallon equals 0.000219969248299 base units, so dividing one by the other gives the direct dram per teaspoon-to-milligram per imperial gallon factor of 1634225.16888.
Simple example
1 dr/tsp × 1634225.169 = 1,634,225.169 mg/imp gal
1 dram per teaspoon = 1,634,225.169 milligrams per imperial gallon.
Real-world example
1,000 dr/tsp × 1634225.169 = 1,634,225,169 mg/imp gal
1,000 drams per teaspoon = 1,634,225,169 milligrams per imperial gallon.
Conversion table
| Dram per Teaspoon (dr/tsp) | Milligram per Imperial gallon (mg/imp gal) |
|---|---|
| 0.1 dr/tsp | 163,422.5169 mg/imp gal |
| 1 dr/tsp | 1,634,225.169 mg/imp gal |
| 10 dr/tsp | 16,342,251.69 mg/imp gal |
| 100 dr/tsp | 163,422,516.9 mg/imp gal |
| 1,000 dr/tsp | 1,634,225,169 mg/imp gal |
| 10,000 dr/tsp | 16,342,251,690 mg/imp gal |
Reverse conversion: Milligram per Imperial gallon to Dram per Teaspoon
1 mg/imp gal × 6.119108e-7 = 6.119108e-7 dr/tsp
1 milligram per imperial gallon = 6.119108e-7 drams per teaspoon.
drams per teaspoon = milligrams per imperial gallon × 6.119108e-7
For a page dedicated to this direction, see Milligram per Imperial gallon to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Milligram per Imperial gallon (mg/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per imperial gallon are in 1 dram per teaspoon?
1 dram per teaspoon equals 1,634,225.169 milligrams per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to milligram per imperial gallon?
Multiply the dram per teaspoon value by 1634225.169. The converter above does this instantly to whatever precision you set.
How do I convert milligram per imperial gallon back to dram per teaspoon?
Use the reverse factor: 1 milligram per imperial gallon equals 6.119108e-7 drams per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per teaspoon?
Dram per Teaspoon (dr/tsp) is a unit of density.
What is a milligram per imperial gallon?
Milligram per Imperial gallon (mg/imp gal) is a unit of density.
Is the dram per teaspoon to milligram per imperial gallon conversion exact?
Yes. Both dram per teaspoon and milligram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 1634225.169 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.