Mass per volume density.
Long tons per Imperial gallon to Drams per Cubic Millimeter Converter — long ton/imp gal to dr/mm3
Convert Long ton per Imperial gallon (long ton/imp gal) to Dram per Cubic Millimeter (dr/mm3) using the exact conversion factor (1 long ton per imperial gallon = 0.1261391657 dram per cubic millimeter). See the formula, worked examples, and conversion table.
Long tons per Imperial gallon to Drams per Cubic Millimeter 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 223499.0748 / 1.7718452e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons per Imperial gallon to Drams per Cubic Millimeter
Long ton per Imperial gallon and Dram per Cubic Millimeter 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 cubic millimeter = long tons per imperial gallon × 0.126139165745
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton per imperial gallon equals 223499.074765 base units, and 1 dram per cubic millimeter equals 1771845.19531 base units, so dividing one by the other gives the direct long ton per imperial gallon-to-dram per cubic millimeter factor of 0.126139165745.
Simple example
1 long ton/imp gal × 0.1261391657 = 0.1261391657 dr/mm3
1 long ton per imperial gallon = 0.1261391657 drams per cubic millimeter.
Real-world example
1,000 long ton/imp gal × 0.1261391657 = 126.1391657 dr/mm3
1,000 long tons per imperial gallon = 126.1391657 drams per cubic millimeter.
Conversion table
| Long ton per Imperial gallon (long ton/imp gal) | Dram per Cubic Millimeter (dr/mm3) |
|---|---|
| 0.1 long ton/imp gal | 0.0126139166 dr/mm3 |
| 1 long ton/imp gal | 0.1261391657 dr/mm3 |
| 10 long ton/imp gal | 1.261391657 dr/mm3 |
| 100 long ton/imp gal | 12.61391657 dr/mm3 |
| 1,000 long ton/imp gal | 126.1391657 dr/mm3 |
| 10,000 long ton/imp gal | 1,261.391657 dr/mm3 |
Reverse conversion: Dram per Cubic Millimeter to Long ton per Imperial gallon
0.1261391657 dr/mm3 × 7.927751814 = 0.9999999996 long ton/imp gal
0.1261391657 drams per cubic millimeter = 0.9999999996 long tons per imperial gallon.
long tons per imperial gallon = drams per cubic millimeter × 7.92775181362
For a page dedicated to this direction, see Dram per Cubic Millimeter to Long ton per Imperial gallon.
Understanding the Long ton per Imperial gallon (long ton/imp gal)
Mass per volume density.
Understanding the Dram per Cubic Millimeter (dr/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cubic millimeter are in 1 long ton per imperial gallon?
1 long ton per imperial gallon equals 0.1261391657 drams per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert long ton per imperial gallon to dram per cubic millimeter?
Multiply the long ton per imperial gallon value by 0.1261391657. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic millimeter back to long ton per imperial gallon?
Use the reverse factor: 1 dram per cubic millimeter equals 7.927751814 long tons per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton per imperial gallon?
Long ton per Imperial gallon (long ton/imp gal) is a unit of density.
What is a dram per cubic millimeter?
Dram per Cubic Millimeter (dr/mm3) is a unit of density.
Is the long ton per imperial gallon to dram per cubic millimeter conversion exact?
Yes. Both long ton per imperial gallon and dram per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.1261391657 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.