Mass per volume density.
Long tons per Cup to Pound per Cubic inches Converter — long ton/cup to lb/in3
Convert Long ton per Cup (long ton/cup) to Pound per Cubic inch (lb/in3) using the exact conversion factor (1 long ton per cup = 155.1515152 pound per cubic inch). See the formula, worked examples, conversion table, and common uses.
Long tons per Cup to Pound 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 4.29457916e+6 / 27679.90471.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons per Cup to Pound per Cubic inches
Long ton per Cup and Pound 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
pound per cubic inches = long tons per cup × 155.151515152
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton per cup equals 4294579.15504 base units, and 1 pound per cubic inch equals 27679.9047102 base units, so dividing one by the other gives the direct long ton per cup-to-pound per cubic inch factor of 155.151515152.
Simple example
1 long ton/cup × 155.1515152 = 155.1515152 lb/in3
1 long ton per cup = 155.1515152 pound per cubic inches.
Real-world example
1,000 long ton/cup × 155.1515152 = 155,151.5152 lb/in3
1,000 long tons per cup = 155,151.5152 pound per cubic inches.
Conversion table
| Long ton per Cup (long ton/cup) | Pound per Cubic inch (lb/in3) |
|---|---|
| 0.1 long ton/cup | 15.51515152 lb/in3 |
| 1 long ton/cup | 155.1515152 lb/in3 |
| 10 long ton/cup | 1,551.515152 lb/in3 |
| 100 long ton/cup | 15,515.15152 lb/in3 |
| 1,000 long ton/cup | 155,151.5152 lb/in3 |
| 10,000 long ton/cup | 1,551,515.152 lb/in3 |
Reverse conversion: Pound per Cubic inch to Long ton per Cup
155.1515152 lb/in3 × 0.0064453125 = 1 long ton/cup
155.1515152 pound per cubic inches = 1 long tons per cup.
long tons per cup = pound per cubic inches × 0.0064453125
For a page dedicated to this direction, see Pound per Cubic inch to Long ton per Cup.
Understanding the Long ton per Cup (long ton/cup)
Mass per volume density.
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
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 pound per cubic inches are in 1 long ton per cup?
1 long ton per cup equals 155.1515152 pound per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert long ton per cup to pound per cubic inch?
Multiply the long ton per cup value by 155.1515152. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic inch back to long ton per cup?
Use the reverse factor: 1 pound per cubic inch equals 0.0064453125 long tons per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton per cup?
Long ton per Cup (long ton/cup) is a unit of density.
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.
Is the long ton per cup to pound per cubic inch conversion exact?
Yes. Both long ton per cup and pound per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 155.1515152 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.