Mass per volume density.
Long tons per Cubic foot to Dram per Cubic inches Converter — long ton/ft3 to dr/in3
Convert Long ton per Cubic foot (long ton/ft3) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 long ton per cubic foot = 331.8518519 dram per cubic inch). See the formula, worked examples, and conversion table.
Long tons per Cubic foot to Dram per Cubic inches 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 35881.35796 / 108.1246278.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons per Cubic foot to Dram per Cubic inches
Long ton per Cubic foot and Dram per Cubic inch 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
dram per cubic inches = long tons per cubic foot × 331.851851852
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton per cubic foot equals 35881.3579577 base units, and 1 dram per cubic inch equals 108.124627774 base units, so dividing one by the other gives the direct long ton per cubic foot-to-dram per cubic inch factor of 331.851851852.
Simple example
1 long ton/ft3 × 331.8518519 = 331.8518519 dr/in3
1 long ton per cubic foot = 331.8518519 dram per cubic inches.
Real-world example
1,000 long ton/ft3 × 331.8518519 = 331,851.8519 dr/in3
1,000 long tons per cubic foot = 331,851.8519 dram per cubic inches.
Conversion table
| Long ton per Cubic foot (long ton/ft3) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 long ton/ft3 | 33.18518519 dr/in3 |
| 1 long ton/ft3 | 331.8518519 dr/in3 |
| 10 long ton/ft3 | 3,318.518519 dr/in3 |
| 100 long ton/ft3 | 33,185.18519 dr/in3 |
| 1,000 long ton/ft3 | 331,851.8519 dr/in3 |
| 10,000 long ton/ft3 | 3,318,518.519 dr/in3 |
Reverse conversion: Dram per Cubic inch to Long ton per Cubic foot
331.8518519 dr/in3 × 0.003013392857 = 1 long ton/ft3
331.8518519 dram per cubic inches = 1 long tons per cubic foot.
long tons per cubic foot = dram per cubic inches × 0.00301339285714
For a page dedicated to this direction, see Dram per Cubic inch to Long ton per Cubic foot.
Understanding the Long ton per Cubic foot (long ton/ft3)
Mass per volume density.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many dram per cubic inches are in 1 long ton per cubic foot?
1 long ton per cubic foot equals 331.8518519 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert long ton per cubic foot to dram per cubic inch?
Multiply the long ton per cubic foot value by 331.8518519. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to long ton per cubic foot?
Use the reverse factor: 1 dram per cubic inch equals 0.0030133929 long tons per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton per cubic foot?
Long ton per Cubic foot (long ton/ft3) is a unit of density.
What is a dram per cubic inch?
Dram per Cubic inch (dr/in3) is a unit of density.
Is the long ton per cubic foot to dram per cubic inch conversion exact?
Yes. Both long ton per cubic foot and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 331.8518519 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.