Mass per volume density.
Grains per Imperial gallon to Drams per Teaspoon Converter — gr/imp gal to dr/tsp
Convert Grain per Imperial gallon (gr/imp gal) to Dram per Teaspoon (dr/tsp) using the exact conversion factor (1 grain per imperial gallon = 0.0000396512 dram per teaspoon). See the formula, worked examples, and conversion table.
Grains per Imperial gallon to Drams per Teaspoon 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 0.01425376752 / 359.479282.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Imperial gallon to Drams per Teaspoon
Grain per Imperial gallon and Dram per Teaspoon 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 teaspoon = grains per imperial gallon × 0.000039651151649
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per imperial gallon equals 0.0142537675233 base units, and 1 dram per teaspoon equals 359.479281951 base units, so dividing one by the other gives the direct grain per imperial gallon-to-dram per teaspoon factor of 0.000039651151649.
Simple example
1 gr/imp gal × 0.00003965115165 = 0.0000396512 dr/tsp
1 grain per imperial gallon = 0.0000396512 drams per teaspoon.
Real-world example
1,000 gr/imp gal × 0.00003965115165 = 0.0396511517 dr/tsp
1,000 grains per imperial gallon = 0.0396511517 drams per teaspoon.
Conversion table
| Grain per Imperial gallon (gr/imp gal) | Dram per Teaspoon (dr/tsp) |
|---|---|
| 0.1 gr/imp gal | 0.0000039651 dr/tsp |
| 1 gr/imp gal | 0.0000396512 dr/tsp |
| 10 gr/imp gal | 0.0003965115 dr/tsp |
| 100 gr/imp gal | 0.0039651152 dr/tsp |
| 1,000 gr/imp gal | 0.0396511517 dr/tsp |
| 10,000 gr/imp gal | 0.3965115165 dr/tsp |
Reverse conversion: Dram per Teaspoon to Grain per Imperial gallon
0.0000396512 dr/tsp × 25219.94844 = 1.000001219 gr/imp gal
0.0000396512 drams per teaspoon = 1.000001219 grains per imperial gallon.
grains per imperial gallon = drams per teaspoon × 25219.9484356
For a page dedicated to this direction, see Dram per Teaspoon to Grain per Imperial gallon.
Understanding the Grain per Imperial gallon (gr/imp gal)
Mass per volume density.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per teaspoon are in 1 grain per imperial gallon?
1 grain per imperial gallon equals 0.0000396512 drams per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per imperial gallon to dram per teaspoon?
Multiply the grain per imperial gallon value by 0.00003965115165. The converter above does this instantly to whatever precision you set.
How do I convert dram per teaspoon back to grain per imperial gallon?
Use the reverse factor: 1 dram per teaspoon equals 25,219.94844 grains per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per imperial gallon?
Grain per Imperial gallon (gr/imp gal) is a unit of density.
What is a dram per teaspoon?
Dram per Teaspoon (dr/tsp) is a unit of density.
Is the grain per imperial gallon to dram per teaspoon conversion exact?
Yes. Both grain per imperial gallon and dram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.00003965115165 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.