Mass per volume density.
Pounds per Pint to Stones per Cup Converter — lb/pt to st/cup
Convert Pound per Pint (lb/pt) to Stone per Cup (st/cup) using the exact conversion factor (1 pound per pint = 0.0357142857 stone per cup). See the formula, worked examples, and conversion table.
Pounds per Pint to Stones per Cup converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 958.6114185 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Pint to Stones per Cup
Pound per Pint and Stone per Cup 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 cup = pounds per pint × 0.0357142857143
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per pint equals 958.611418535 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct pound per pint-to-stone per cup factor of 0.0357142857143.
Simple example
1 lb/pt × 0.03571428571 = 0.0357142857 st/cup
1 pound per pint = 0.0357142857 stones per cup.
Real-world example
1,000 lb/pt × 0.03571428571 = 35.71428571 st/cup
1,000 pounds per pint = 35.71428571 stones per cup.
Conversion table
| Pound per Pint (lb/pt) | Stone per Cup (st/cup) |
|---|---|
| 0.1 lb/pt | 0.0035714286 st/cup |
| 1 lb/pt | 0.0357142857 st/cup |
| 10 lb/pt | 0.3571428571 st/cup |
| 100 lb/pt | 3.571428571 st/cup |
| 1,000 lb/pt | 35.71428571 st/cup |
| 10,000 lb/pt | 357.1428571 st/cup |
Reverse conversion: Stone per Cup to Pound per Pint
0.0357142857 st/cup × 28 = 0.9999999996 lb/pt
0.0357142857 stones per cup = 0.9999999996 pounds per pint.
pounds per pint = stones per cup × 28
For a page dedicated to this direction, see Stone per Cup to Pound per Pint.
Understanding the Pound per Pint (lb/pt)
Mass per volume density.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cup are in 1 pound per pint?
1 pound per pint equals 0.0357142857 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert pound per pint to stone per cup?
Multiply the pound per pint value by 0.03571428571. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to pound per pint?
Use the reverse factor: 1 stone per cup equals 28 pounds per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per pint?
Pound per Pint (lb/pt) is a unit of density.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the pound per pint to stone per cup conversion exact?
Yes. Both pound per pint and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.03571428571 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.