Mass per volume density.
Dram per Cubic inches to Long tons per Cubic foot Converter — dr/in3 to long ton/ft3
Convert Dram per Cubic inch (dr/in3) to Long ton per Cubic foot (long ton/ft3) using the exact conversion factor (1 dram per cubic inch = 0.0030133929 long ton per cubic foot). See the formula, worked examples, and conversion table.
Dram per Cubic inches to Long tons per Cubic foot 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 108.1246278 / 35881.35796.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Dram per Cubic inches to Long tons per Cubic foot
Dram per Cubic inch and Long ton per Cubic foot 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 cubic foot = dram per cubic inches × 0.00301339285714
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per cubic inch equals 108.124627774 base units, and 1 long ton per cubic foot equals 35881.3579577 base units, so dividing one by the other gives the direct dram per cubic inch-to-long ton per cubic foot factor of 0.00301339285714.
Simple example
1 dr/in3 × 0.003013392857 = 0.0030133929 long ton/ft3
1 dram per cubic inch = 0.0030133929 long tons per cubic foot.
Real-world example
1,000 dr/in3 × 0.003013392857 = 3.013392857 long ton/ft3
1,000 dram per cubic inches = 3.013392857 long tons per cubic foot.
Conversion table
| Dram per Cubic inch (dr/in3) | Long ton per Cubic foot (long ton/ft3) |
|---|---|
| 0.1 dr/in3 | 0.0003013393 long ton/ft3 |
| 1 dr/in3 | 0.0030133929 long ton/ft3 |
| 10 dr/in3 | 0.0301339286 long ton/ft3 |
| 100 dr/in3 | 0.3013392857 long ton/ft3 |
| 1,000 dr/in3 | 3.013392857 long ton/ft3 |
| 10,000 dr/in3 | 30.13392857 long ton/ft3 |
Reverse conversion: Long ton per Cubic foot to Dram per Cubic inch
0.0030133929 long ton/ft3 × 331.8518519 = 1.000000014 dr/in3
0.0030133929 long tons per cubic foot = 1.000000014 dram per cubic inches.
dram per cubic inches = long tons per cubic foot × 331.851851852
For a page dedicated to this direction, see Long ton per Cubic foot to Dram per Cubic inch.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Understanding the Long ton per Cubic foot (long ton/ft3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per cubic foot are in 1 dram per cubic inch?
1 dram per cubic inch equals 0.0030133929 long tons per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert dram per cubic inch to long ton per cubic foot?
Multiply the dram per cubic inch value by 0.003013392857. The converter above does this instantly to whatever precision you set.
How do I convert long ton per cubic foot back to dram per cubic inch?
Use the reverse factor: 1 long ton per cubic foot equals 331.8518519 dram per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per cubic inch?
Dram per Cubic inch (dr/in3) is a unit of density.
What is a long ton per cubic foot?
Long ton per Cubic foot (long ton/ft3) is a unit of density.
Is the dram per cubic inch to long ton per cubic foot conversion exact?
Yes. Both dram per cubic inch and long ton per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 0.003013392857 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.