Mass per volume density.
Pounds per Cubic Millimeter to Long tons per Fluid ounce Converter — lb/mm3 to long ton/fl oz
Convert Pound per Cubic Millimeter (lb/mm3) to Long ton per Fluid ounce (long ton/fl oz) using the exact conversion factor (1 pound per cubic millimeter = 13.20246855 long ton per fluid ounce). See the formula, worked examples, and conversion table.
Pounds per Cubic Millimeter to Long tons per Fluid ounce 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 4.5359237e+8 / 3.43566332e+7.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic Millimeter to Long tons per Fluid ounce
Pound per Cubic Millimeter and Long ton per Fluid ounce 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 fluid ounce = pounds per cubic millimeter × 13.2024685547
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic millimeter equals 453592370 base units, and 1 long ton per fluid ounce equals 34356633.2403 base units, so dividing one by the other gives the direct pound per cubic millimeter-to-long ton per fluid ounce factor of 13.2024685547.
Simple example
1 lb/mm3 × 13.20246855 = 13.20246855 long ton/fl oz
1 pound per cubic millimeter = 13.20246855 long tons per fluid ounce.
Real-world example
1,000 lb/mm3 × 13.20246855 = 13,202.46855 long ton/fl oz
1,000 pounds per cubic millimeter = 13,202.46855 long tons per fluid ounce.
Conversion table
| Pound per Cubic Millimeter (lb/mm3) | Long ton per Fluid ounce (long ton/fl oz) |
|---|---|
| 0.1 lb/mm3 | 1.320246855 long ton/fl oz |
| 1 lb/mm3 | 13.20246855 long ton/fl oz |
| 10 lb/mm3 | 132.0246855 long ton/fl oz |
| 100 lb/mm3 | 1,320.246855 long ton/fl oz |
| 1,000 lb/mm3 | 13,202.46855 long ton/fl oz |
| 10,000 lb/mm3 | 132,024.6855 long ton/fl oz |
Reverse conversion: Long ton per Fluid ounce to Pound per Cubic Millimeter
13.20246855 long ton/fl oz × 0.07574341085 = 0.9999999996 lb/mm3
13.20246855 long tons per fluid ounce = 0.9999999996 pounds per cubic millimeter.
pounds per cubic millimeter = long tons per fluid ounce × 0.0757434108521
For a page dedicated to this direction, see Long ton per Fluid ounce to Pound per Cubic Millimeter.
Understanding the Pound per Cubic Millimeter (lb/mm3)
Mass per volume density.
Understanding the Long ton per Fluid ounce (long ton/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per fluid ounce are in 1 pound per cubic millimeter?
1 pound per cubic millimeter equals 13.20246855 long tons per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic millimeter to long ton per fluid ounce?
Multiply the pound per cubic millimeter value by 13.20246855. The converter above does this instantly to whatever precision you set.
How do I convert long ton per fluid ounce back to pound per cubic millimeter?
Use the reverse factor: 1 long ton per fluid ounce equals 0.0757434109 pounds per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic millimeter?
Pound per Cubic Millimeter (lb/mm3) is a unit of density.
What is a long ton per fluid ounce?
Long ton per Fluid ounce (long ton/fl oz) is a unit of density.
Is the pound per cubic millimeter to long ton per fluid ounce conversion exact?
Yes. Both pound per cubic millimeter and long ton per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 13.20246855 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.