Mass per volume density.
Carats per Cubic Millimeter to Long tons per Milliliter Converter — ct/mm3 to long ton/mL
Convert Carat per Cubic Millimeter (ct/mm3) to Long ton per Milliliter (long ton/mL) using the exact conversion factor (1 carat per cubic millimeter = 0.0001968413 long ton per milliliter). See the formula, worked examples, and conversion table.
Carats per Cubic Millimeter to Long tons per Milliliter 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 200000 / 1.01604691e+9.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Cubic Millimeter to Long tons per Milliliter
Carat per Cubic Millimeter and Long ton per Milliliter 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 milliliter = carats per cubic millimeter × 0.000196841305522
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per cubic millimeter equals 200000 base units, and 1 long ton per milliliter equals 1016046908.8 base units, so dividing one by the other gives the direct carat per cubic millimeter-to-long ton per milliliter factor of 0.000196841305522.
Simple example
1 ct/mm3 × 0.0001968413055 = 0.0001968413 long ton/mL
1 carat per cubic millimeter = 0.0001968413 long tons per milliliter.
Real-world example
1,000 ct/mm3 × 0.0001968413055 = 0.1968413055 long ton/mL
1,000 carats per cubic millimeter = 0.1968413055 long tons per milliliter.
Conversion table
| Carat per Cubic Millimeter (ct/mm3) | Long ton per Milliliter (long ton/mL) |
|---|---|
| 0.1 ct/mm3 | 0.0000196841 long ton/mL |
| 1 ct/mm3 | 0.0001968413 long ton/mL |
| 10 ct/mm3 | 0.0019684131 long ton/mL |
| 100 ct/mm3 | 0.0196841306 long ton/mL |
| 1,000 ct/mm3 | 0.1968413055 long ton/mL |
| 10,000 ct/mm3 | 1.968413055 long ton/mL |
Reverse conversion: Long ton per Milliliter to Carat per Cubic Millimeter
0.0001968413 long ton/mL × 5080.234544 = 0.9999999719 ct/mm3
0.0001968413 long tons per milliliter = 0.9999999719 carats per cubic millimeter.
carats per cubic millimeter = long tons per milliliter × 5080.234544
For a page dedicated to this direction, see Long ton per Milliliter to Carat per Cubic Millimeter.
Understanding the Carat per Cubic Millimeter (ct/mm3)
Mass per volume density.
Understanding the Long ton per Milliliter (long ton/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per milliliter are in 1 carat per cubic millimeter?
1 carat per cubic millimeter equals 0.0001968413 long tons per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert carat per cubic millimeter to long ton per milliliter?
Multiply the carat per cubic millimeter value by 0.0001968413055. The converter above does this instantly to whatever precision you set.
How do I convert long ton per milliliter back to carat per cubic millimeter?
Use the reverse factor: 1 long ton per milliliter equals 5,080.234544 carats per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per cubic millimeter?
Carat per Cubic Millimeter (ct/mm3) is a unit of density.
What is a long ton per milliliter?
Long ton per Milliliter (long ton/mL) is a unit of density.
Is the carat per cubic millimeter to long ton per milliliter conversion exact?
Yes. Both carat per cubic millimeter and long ton per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.0001968413055 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.