Mass per volume density.
Pounds per Milliliter to Stones per Milliliter Converter — lb/mL to st/mL
Convert Pound per Milliliter (lb/mL) to Stone per Milliliter (st/mL) using the exact conversion factor (1 pound per milliliter = 0.0714285714 stone per milliliter). See the formula, worked examples, and conversion table.
Pounds per Milliliter to Stones per Milliliter 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 453592.37 / 6.35029318e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Milliliter to Stones per Milliliter
Pound per Milliliter and Stone per Milliliter 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 milliliter = pounds per milliliter × 0.0714285714286
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per milliliter equals 453592.37 base units, and 1 stone per milliliter equals 6350293.18 base units, so dividing one by the other gives the direct pound per milliliter-to-stone per milliliter factor of 0.0714285714286.
Simple example
1 lb/mL × 0.07142857143 = 0.0714285714 st/mL
1 pound per milliliter = 0.0714285714 stones per milliliter.
Real-world example
1,000 lb/mL × 0.07142857143 = 71.42857143 st/mL
1,000 pounds per milliliter = 71.42857143 stones per milliliter.
Conversion table
| Pound per Milliliter (lb/mL) | Stone per Milliliter (st/mL) |
|---|---|
| 0.1 lb/mL | 0.0071428571 st/mL |
| 1 lb/mL | 0.0714285714 st/mL |
| 10 lb/mL | 0.7142857143 st/mL |
| 100 lb/mL | 7.142857143 st/mL |
| 1,000 lb/mL | 71.42857143 st/mL |
| 10,000 lb/mL | 714.2857143 st/mL |
Reverse conversion: Stone per Milliliter to Pound per Milliliter
0.0714285714 st/mL × 14 = 0.9999999996 lb/mL
0.0714285714 stones per milliliter = 0.9999999996 pounds per milliliter.
pounds per milliliter = stones per milliliter × 14
For a page dedicated to this direction, see Stone per Milliliter to Pound per Milliliter.
Understanding the Pound per Milliliter (lb/mL)
Mass per volume density.
Understanding the Stone per Milliliter (st/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per milliliter are in 1 pound per milliliter?
1 pound per milliliter equals 0.0714285714 stones per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per milliliter to stone per milliliter?
Multiply the pound per milliliter value by 0.07142857143. The converter above does this instantly to whatever precision you set.
How do I convert stone per milliliter back to pound per milliliter?
Use the reverse factor: 1 stone per milliliter equals 14 pounds per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per milliliter?
Pound per Milliliter (lb/mL) is a unit of density.
What is a stone per milliliter?
Stone per Milliliter (st/mL) is a unit of density.
Is the pound per milliliter to stone per milliliter conversion exact?
Yes. Both pound per milliliter and stone per milliliter 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.