Mass per volume density.
US hundredweights per Cubic foot to Pound per Cubic inches Converter — cwt/ft3 to lb/in3
Convert US hundredweight per Cubic foot (cwt/ft3) to Pound per Cubic inch (lb/in3) using the exact conversion factor (1 us hundredweight per cubic foot = 0.0578703704 pound per cubic inch). See the formula, worked examples, conversion table, and common uses.
US hundredweights per Cubic foot 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 1601.846337 / 27679.90471.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting US hundredweights per Cubic foot to Pound per Cubic inches
US hundredweight per Cubic foot 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 = us hundredweights per cubic foot × 0.0578703703704
This factor comes from each unit's defined relationship to the category's base unit: 1 us hundredweight per cubic foot equals 1601.8463374 base units, and 1 pound per cubic inch equals 27679.9047102 base units, so dividing one by the other gives the direct us hundredweight per cubic foot-to-pound per cubic inch factor of 0.0578703703704.
Simple example
1 cwt/ft3 × 0.05787037037 = 0.0578703704 lb/in3
1 us hundredweight per cubic foot = 0.0578703704 pound per cubic inches.
Real-world example
1,000 cwt/ft3 × 0.05787037037 = 57.87037037 lb/in3
1,000 us hundredweights per cubic foot = 57.87037037 pound per cubic inches.
Conversion table
| US hundredweight per Cubic foot (cwt/ft3) | Pound per Cubic inch (lb/in3) |
|---|---|
| 0.1 cwt/ft3 | 0.005787037 lb/in3 |
| 1 cwt/ft3 | 0.0578703704 lb/in3 |
| 10 cwt/ft3 | 0.5787037037 lb/in3 |
| 100 cwt/ft3 | 5.787037037 lb/in3 |
| 1,000 cwt/ft3 | 57.87037037 lb/in3 |
| 10,000 cwt/ft3 | 578.7037037 lb/in3 |
Reverse conversion: Pound per Cubic inch to US hundredweight per Cubic foot
0.0578703704 lb/in3 × 17.28 = 1.000000001 cwt/ft3
0.0578703704 pound per cubic inches = 1.000000001 us hundredweights per cubic foot.
us hundredweights per cubic foot = pound per cubic inches × 17.28
For a page dedicated to this direction, see Pound per Cubic inch to US hundredweight per Cubic foot.
Understanding the US hundredweight per Cubic foot (cwt/ft3)
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 us hundredweight per cubic foot?
1 us hundredweight per cubic foot equals 0.0578703704 pound per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert us hundredweight per cubic foot to pound per cubic inch?
Multiply the us hundredweight per cubic foot value by 0.05787037037. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic inch back to us hundredweight per cubic foot?
Use the reverse factor: 1 pound per cubic inch equals 17.28 us hundredweights per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a us hundredweight per cubic foot?
US hundredweight per Cubic foot (cwt/ft3) 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 us hundredweight per cubic foot to pound per cubic inch conversion exact?
Yes. Both us hundredweight per cubic foot and pound per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.05787037037 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.