Mass per volume density.
Pounds per Cubic Meter to Stones per Cubic Meter Converter — lb/m3 to st/m3
Convert Pound per Cubic Meter (lb/m3) to Stone per Cubic Meter (st/m3) using the exact conversion factor (1 pound per cubic meter = 0.0714285714 stone per cubic meter). See the formula, worked examples, and conversion table.
Pounds per Cubic Meter to Stones per Cubic Meter 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 0.45359237 / 6.35029318.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic Meter to Stones per Cubic Meter
Pound per Cubic Meter and Stone per Cubic Meter 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
stones per cubic meter = pounds per cubic meter × 0.0714285714286
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic meter equals 0.45359237 base units, and 1 stone per cubic meter equals 6.35029318 base units, so dividing one by the other gives the direct pound per cubic meter-to-stone per cubic meter factor of 0.0714285714286.
Simple example
1 lb/m3 × 0.07142857143 = 0.0714285714 st/m3
1 pound per cubic meter = 0.0714285714 stones per cubic meter.
Real-world example
1,000 lb/m3 × 0.07142857143 = 71.42857143 st/m3
1,000 pounds per cubic meter = 71.42857143 stones per cubic meter.
Conversion table
| Pound per Cubic Meter (lb/m3) | Stone per Cubic Meter (st/m3) |
|---|---|
| 0.1 lb/m3 | 0.0071428571 st/m3 |
| 1 lb/m3 | 0.0714285714 st/m3 |
| 10 lb/m3 | 0.7142857143 st/m3 |
| 100 lb/m3 | 7.142857143 st/m3 |
| 1,000 lb/m3 | 71.42857143 st/m3 |
| 10,000 lb/m3 | 714.2857143 st/m3 |
Reverse conversion: Stone per Cubic Meter to Pound per Cubic Meter
0.0714285714 st/m3 × 14 = 0.9999999996 lb/m3
0.0714285714 stones per cubic meter = 0.9999999996 pounds per cubic meter.
pounds per cubic meter = stones per cubic meter × 14
For a page dedicated to this direction, see Stone per Cubic Meter to Pound per Cubic Meter.
Understanding the Pound per Cubic Meter (lb/m3)
Mass per volume density.
Understanding the Stone per Cubic Meter (st/m3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic meter are in 1 pound per cubic meter?
1 pound per cubic meter equals 0.0714285714 stones per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic meter to stone per cubic meter?
Multiply the pound per cubic meter value by 0.07142857143. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic meter back to pound per cubic meter?
Use the reverse factor: 1 stone per cubic meter equals 14 pounds per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic meter?
Pound per Cubic Meter (lb/m3) is a unit of density.
What is a stone per cubic meter?
Stone per Cubic Meter (st/m3) is a unit of density.
Is the pound per cubic meter to stone per cubic meter conversion exact?
Yes. Both pound per cubic meter and stone per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 0.07142857143 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.