Mass per volume density.
Pounds per Fluid ounce to Stones per Fluid ounce Converter — lb/fl oz to st/fl oz
Convert Pound per Fluid ounce (lb/fl oz) to Stone per Fluid ounce (st/fl oz) using the exact conversion factor (1 pound per fluid ounce = 0.0714285714 stone per fluid ounce). See the formula, worked examples, and conversion table.
Pounds per Fluid ounce to Stones per Fluid ounce 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 15337.7827 / 214728.9578.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Fluid ounce to Stones per Fluid ounce
Pound per Fluid ounce and Stone per Fluid ounce 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 fluid ounce = pounds per fluid ounce × 0.0714285714286
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per fluid ounce equals 15337.7826966 base units, and 1 stone per fluid ounce equals 214728.957752 base units, so dividing one by the other gives the direct pound per fluid ounce-to-stone per fluid ounce factor of 0.0714285714286.
Simple example
1 lb/fl oz × 0.07142857143 = 0.0714285714 st/fl oz
1 pound per fluid ounce = 0.0714285714 stones per fluid ounce.
Real-world example
1,000 lb/fl oz × 0.07142857143 = 71.42857143 st/fl oz
1,000 pounds per fluid ounce = 71.42857143 stones per fluid ounce.
Conversion table
| Pound per Fluid ounce (lb/fl oz) | Stone per Fluid ounce (st/fl oz) |
|---|---|
| 0.1 lb/fl oz | 0.0071428571 st/fl oz |
| 1 lb/fl oz | 0.0714285714 st/fl oz |
| 10 lb/fl oz | 0.7142857143 st/fl oz |
| 100 lb/fl oz | 7.142857143 st/fl oz |
| 1,000 lb/fl oz | 71.42857143 st/fl oz |
| 10,000 lb/fl oz | 714.2857143 st/fl oz |
Reverse conversion: Stone per Fluid ounce to Pound per Fluid ounce
0.0714285714 st/fl oz × 14 = 0.9999999996 lb/fl oz
0.0714285714 stones per fluid ounce = 0.9999999996 pounds per fluid ounce.
pounds per fluid ounce = stones per fluid ounce × 14
For a page dedicated to this direction, see Stone per Fluid ounce to Pound per Fluid ounce.
Understanding the Pound per Fluid ounce (lb/fl oz)
Mass per volume density.
Understanding the Stone per Fluid ounce (st/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per fluid ounce are in 1 pound per fluid ounce?
1 pound per fluid ounce equals 0.0714285714 stones per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert pound per fluid ounce to stone per fluid ounce?
Multiply the pound per fluid ounce value by 0.07142857143. The converter above does this instantly to whatever precision you set.
How do I convert stone per fluid ounce back to pound per fluid ounce?
Use the reverse factor: 1 stone per fluid ounce equals 14 pounds per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per fluid ounce?
Pound per Fluid ounce (lb/fl oz) is a unit of density.
What is a stone per fluid ounce?
Stone per Fluid ounce (st/fl oz) is a unit of density.
Is the pound per fluid ounce to stone per fluid ounce conversion exact?
Yes. Both pound per fluid ounce and stone per fluid ounce 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.