Mass per volume density.
Pound per Cubic inches to Long tons per Fluid ounce Converter — lb/in3 to long ton/fl oz
Convert Pound per Cubic inch (lb/in3) to Long ton per Fluid ounce (long ton/fl oz) using the exact conversion factor (1 pound per cubic inch = 0.0008056641 long ton per fluid ounce). See the formula, worked examples, conversion table, and common uses.
Pound per Cubic inches 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 27679.90471 / 3.43566332e+7.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pound per Cubic inches to Long tons per Fluid ounce
Pound per Cubic inch 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. Pound per Cubic inch is most often used for used in machining and materials engineering, particularly for describing the density of metals, where a smaller volume unit than the cubic foot gives a more convenient figure.
Formula
long tons per fluid ounce = pound per cubic inches × 0.0008056640625
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic inch equals 27679.9047102 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 inch-to-long ton per fluid ounce factor of 0.0008056640625.
Simple example
1 lb/in3 × 0.0008056640625 = 0.0008056641 long ton/fl oz
1 pound per cubic inch = 0.0008056641 long tons per fluid ounce.
Real-world example
1,000 lb/in3 × 0.0008056640625 = 0.8056640625 long ton/fl oz
1,000 pound per cubic inches = 0.8056640625 long tons per fluid ounce.
Conversion table
| Pound per Cubic inch (lb/in3) | Long ton per Fluid ounce (long ton/fl oz) |
|---|---|
| 0.1 lb/in3 | 0.0000805664 long ton/fl oz |
| 1 lb/in3 | 0.0008056641 long ton/fl oz |
| 10 lb/in3 | 0.0080566406 long ton/fl oz |
| 100 lb/in3 | 0.0805664063 long ton/fl oz |
| 1,000 lb/in3 | 0.8056640625 long ton/fl oz |
| 10,000 lb/in3 | 8.056640625 long ton/fl oz |
Reverse conversion: Long ton per Fluid ounce to Pound per Cubic inch
0.0008056641 long ton/fl oz × 1241.212121 = 1.000000047 lb/in3
0.0008056641 long tons per fluid ounce = 1.000000047 pound per cubic inches.
pound per cubic inches = long tons per fluid ounce × 1241.21212121
For a page dedicated to this direction, see Long ton per Fluid ounce to Pound per Cubic inch.
Understanding the Pound per Cubic inch
Pound per Cubic inch (lb/in3) measures density. A US customary density unit suited to describing dense materials in a small volume. It is classified as a US customary density unit.
Where it's used: United States
Uses of the Pound per Cubic inch today
- Used in machining and materials engineering, particularly for describing the density of metals, where a smaller volume unit than the cubic foot gives a more convenient figure
Understanding the Long ton per Fluid ounce (long ton/fl oz)
Mass per volume density.
Pound per Cubic inch — sources
- US materials-engineering reference tables — Pounds per cubic inch is a commonly tabulated density unit for metals in US machining and materials references.
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 inch?
1 pound per cubic inch equals 0.0008056641 long tons per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic inch to long ton per fluid ounce?
Multiply the pound per cubic inch value by 0.0008056640625. 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 inch?
Use the reverse factor: 1 long ton per fluid ounce equals 1,241.212121 pound per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic inch?
Pound per Cubic inch (lb/in3) measures density. A US customary density unit suited to describing dense materials in a small volume. It is classified as a US customary density unit.
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 inch to long ton per fluid ounce conversion exact?
Yes. Both pound per cubic inch and long ton per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.0008056640625 used above is exact to as many digits as you choose to display.
Where is the pound per cubic inch still used today?
United States
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.