Mass per volume density.
Drams per Imperial gallon to Long tons per Gallon Converter — dr/imp gal to long ton/gal
Convert Dram per Imperial gallon (dr/imp gal) to Long ton per Gallon (long ton/gal) using the exact conversion factor (1 dram per imperial gallon = 0.0000014521 long ton per gallon). See the formula, worked examples, and conversion table.
Drams per Imperial gallon to Long tons 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 0.3897514557 / 268411.1972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Imperial gallon to Long tons per Gallon
Dram per Imperial gallon and Long ton 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
long tons per gallon = drams per imperial gallon × 0.00000145206854183
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per imperial gallon equals 0.389751455715 base units, and 1 long ton per gallon equals 268411.19719 base units, so dividing one by the other gives the direct dram per imperial gallon-to-long ton per gallon factor of 0.00000145206854183.
Simple example
1 dr/imp gal × 0.000001452068542 = 0.0000014521 long ton/gal
1 dram per imperial gallon = 0.0000014521 long tons per gallon.
Real-world example
1,000 dr/imp gal × 0.000001452068542 = 0.0014520685 long ton/gal
1,000 drams per imperial gallon = 0.0014520685 long tons per gallon.
Conversion table
| Dram per Imperial gallon (dr/imp gal) | Long ton per Gallon (long ton/gal) |
|---|---|
| 0.1 dr/imp gal | 1.452069e-7 long ton/gal |
| 1 dr/imp gal | 0.0000014521 long ton/gal |
| 10 dr/imp gal | 0.0000145207 long ton/gal |
| 100 dr/imp gal | 0.0001452069 long ton/gal |
| 1,000 dr/imp gal | 0.0014520685 long ton/gal |
| 10,000 dr/imp gal | 0.0145206854 long ton/gal |
Reverse conversion: Long ton per Gallon to Dram per Imperial gallon
0.0000014521 long ton/gal × 688672.7253 = 1.000021664 dr/imp gal
0.0000014521 long tons per gallon = 1.000021664 drams per imperial gallon.
drams per imperial gallon = long tons per gallon × 688672.725282
For a page dedicated to this direction, see Long ton per Gallon to Dram per Imperial gallon.
Understanding the Dram per Imperial gallon (dr/imp gal)
Mass per volume density.
Understanding the Long ton per Gallon (long ton/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per gallon are in 1 dram per imperial gallon?
1 dram per imperial gallon equals 0.0000014521 long tons per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per imperial gallon to long ton per gallon?
Multiply the dram per imperial gallon value by 0.000001452068542. The converter above does this instantly to whatever precision you set.
How do I convert long ton per gallon back to dram per imperial gallon?
Use the reverse factor: 1 long ton per gallon equals 688,672.7253 drams per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per imperial gallon?
Dram per Imperial gallon (dr/imp gal) is a unit of density.
What is a long ton per gallon?
Long ton per Gallon (long ton/gal) is a unit of density.
Is the dram per imperial gallon to long ton per gallon conversion exact?
Yes. Both dram per imperial gallon and long ton per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.000001452068542 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.