Mass per volume density.
Slugs per Cubic foot to Stone per Cubic inches Converter — slug/ft3 to st/in3
Convert Slug per Cubic foot (slug/ft3) to Stone per Cubic inch (st/in3) using the exact conversion factor (1 slug per cubic foot = 0.0013299458 stone per cubic inch). See the formula, worked examples, and conversion table.
Slugs per Cubic foot to Stone 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 515.3788184 / 387518.6659.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Cubic foot to Stone per Cubic inches
Slug per Cubic foot and Stone 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
stone per cubic inches = slugs per cubic foot × 0.0013299457902
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per cubic foot equals 515.378818393 base units, and 1 stone per cubic inch equals 387518.665943 base units, so dividing one by the other gives the direct slug per cubic foot-to-stone per cubic inch factor of 0.0013299457902.
Simple example
1 slug/ft3 × 0.00132994579 = 0.0013299458 st/in3
1 slug per cubic foot = 0.0013299458 stone per cubic inches.
Real-world example
1,000 slug/ft3 × 0.00132994579 = 1.32994579 st/in3
1,000 slugs per cubic foot = 1.32994579 stone per cubic inches.
Conversion table
| Slug per Cubic foot (slug/ft3) | Stone per Cubic inch (st/in3) |
|---|---|
| 0.1 slug/ft3 | 0.0001329946 st/in3 |
| 1 slug/ft3 | 0.0013299458 st/in3 |
| 10 slug/ft3 | 0.0132994579 st/in3 |
| 100 slug/ft3 | 0.132994579 st/in3 |
| 1,000 slug/ft3 | 1.32994579 st/in3 |
| 10,000 slug/ft3 | 13.2994579 st/in3 |
Reverse conversion: Stone per Cubic inch to Slug per Cubic foot
0.0013299458 st/in3 × 751.9103466 = 1.000000007 slug/ft3
0.0013299458 stone per cubic inches = 1.000000007 slugs per cubic foot.
slugs per cubic foot = stone per cubic inches × 751.910346551
For a page dedicated to this direction, see Stone per Cubic inch to Slug per Cubic foot.
Understanding the Slug per Cubic foot (slug/ft3)
Mass per volume density.
Understanding the Stone per Cubic inch (st/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stone per cubic inches are in 1 slug per cubic foot?
1 slug per cubic foot equals 0.0013299458 stone per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cubic foot to stone per cubic inch?
Multiply the slug per cubic foot value by 0.00132994579. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic inch back to slug per cubic foot?
Use the reverse factor: 1 stone per cubic inch equals 751.9103466 slugs per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per cubic foot?
Slug per Cubic foot (slug/ft3) is a unit of density.
What is a stone per cubic inch?
Stone per Cubic inch (st/in3) is a unit of density.
Is the slug per cubic foot to stone per cubic inch conversion exact?
Yes. Both slug per cubic foot and stone per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.00132994579 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.