Mass per volume density.
Drams per Teaspoon to Grains per Imperial gallon Converter — dr/tsp to gr/imp gal
Convert Dram per Teaspoon (dr/tsp) to Grain per Imperial gallon (gr/imp gal) using the exact conversion factor (1 dram per teaspoon = 25,219.94844 grain per imperial gallon). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Grains 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 / 0.01425376752.
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 Grains per Imperial gallon
Dram per Teaspoon and Grain 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
grains per imperial gallon = drams per teaspoon × 25219.9484356
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 grain per imperial gallon equals 0.0142537675233 base units, so dividing one by the other gives the direct dram per teaspoon-to-grain per imperial gallon factor of 25219.9484356.
Simple example
1 dr/tsp × 25219.94844 = 25,219.94844 gr/imp gal
1 dram per teaspoon = 25,219.94844 grains per imperial gallon.
Real-world example
1,000 dr/tsp × 25219.94844 = 25,219,948.44 gr/imp gal
1,000 drams per teaspoon = 25,219,948.44 grains per imperial gallon.
Conversion table
| Dram per Teaspoon (dr/tsp) | Grain per Imperial gallon (gr/imp gal) |
|---|---|
| 0.1 dr/tsp | 2,521.994844 gr/imp gal |
| 1 dr/tsp | 25,219.94844 gr/imp gal |
| 10 dr/tsp | 252,199.4844 gr/imp gal |
| 100 dr/tsp | 2,521,994.844 gr/imp gal |
| 1,000 dr/tsp | 25,219,948.44 gr/imp gal |
| 10,000 dr/tsp | 252,199,484.4 gr/imp gal |
Reverse conversion: Grain per Imperial gallon to Dram per Teaspoon
1 gr/imp gal × 0.00003965115165 = 0.0000396512 dr/tsp
1 grain per imperial gallon = 0.0000396512 drams per teaspoon.
drams per teaspoon = grains per imperial gallon × 0.000039651151649
For a page dedicated to this direction, see Grain per Imperial gallon to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Grain per Imperial gallon (gr/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per imperial gallon are in 1 dram per teaspoon?
1 dram per teaspoon equals 25,219.94844 grains per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to grain per imperial gallon?
Multiply the dram per teaspoon value by 25219.94844. The converter above does this instantly to whatever precision you set.
How do I convert grain per imperial gallon back to dram per teaspoon?
Use the reverse factor: 1 grain per imperial gallon equals 0.0000396512 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 grain per imperial gallon?
Grain per Imperial gallon (gr/imp gal) is a unit of density.
Is the dram per teaspoon to grain per imperial gallon conversion exact?
Yes. Both dram per teaspoon and grain per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 25219.94844 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.