Mass per volume density.
Pound per Cubic inches to Stones per Liter Converter — lb/in3 to st/L
Convert Pound per Cubic inch (lb/in3) to Stone per Liter (st/L) using the exact conversion factor (1 pound per cubic inch = 4.358838864 stone per liter). See the formula, worked examples, conversion table, and common uses.
Pound per Cubic inches to Stones per Liter 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 / 6350.29318.
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 Stones per Liter
Pound per Cubic inch and Stone per Liter 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
stones per liter = pound per cubic inches × 4.35883886391
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 stone per liter equals 6350.29318 base units, so dividing one by the other gives the direct pound per cubic inch-to-stone per liter factor of 4.35883886391.
Simple example
1 lb/in3 × 4.358838864 = 4.358838864 st/L
1 pound per cubic inch = 4.358838864 stones per liter.
Real-world example
1,000 lb/in3 × 4.358838864 = 4,358.838864 st/L
1,000 pound per cubic inches = 4,358.838864 stones per liter.
Conversion table
| Pound per Cubic inch (lb/in3) | Stone per Liter (st/L) |
|---|---|
| 0.1 lb/in3 | 0.4358838864 st/L |
| 1 lb/in3 | 4.358838864 st/L |
| 10 lb/in3 | 43.58838864 st/L |
| 100 lb/in3 | 435.8838864 st/L |
| 1,000 lb/in3 | 4,358.838864 st/L |
| 10,000 lb/in3 | 43,588.38864 st/L |
Reverse conversion: Stone per Liter to Pound per Cubic inch
4.358838864 st/L × 0.229418896 = 1 lb/in3
4.358838864 stones per liter = 1 pound per cubic inches.
pound per cubic inches = stones per liter × 0.229418896
For a page dedicated to this direction, see Stone per Liter 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 Stone per Liter (st/L)
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 stones per liter are in 1 pound per cubic inch?
1 pound per cubic inch equals 4.358838864 stones per liter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic inch to stone per liter?
Multiply the pound per cubic inch value by 4.358838864. The converter above does this instantly to whatever precision you set.
How do I convert stone per liter back to pound per cubic inch?
Use the reverse factor: 1 stone per liter equals 0.229418896 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 stone per liter?
Stone per Liter (st/L) is a unit of density.
Is the pound per cubic inch to stone per liter conversion exact?
Yes. Both pound per cubic inch and stone per liter are defined by fixed standards rather than physical artifacts, so the factor of 4.358838864 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.