Mass per volume density.
Stones per Pint to Pounds per Teaspoon Converter — st/pt to lb/tsp
Convert Stone per Pint (st/pt) to Pound per Teaspoon (lb/tsp) using the exact conversion factor (1 stone per pint = 0.1458333333 pound per teaspoon). See the formula, worked examples, and conversion table.
Stones per Pint to Pounds per Teaspoon 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 13420.55986 / 92026.69618.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Pint to Pounds per Teaspoon
Stone per Pint and Pound per Teaspoon 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
pounds per teaspoon = stones per pint × 0.145833333333
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per pint equals 13420.5598595 base units, and 1 pound per teaspoon equals 92026.6961794 base units, so dividing one by the other gives the direct stone per pint-to-pound per teaspoon factor of 0.145833333333.
Simple example
1 st/pt × 0.1458333333 = 0.1458333333 lb/tsp
1 stone per pint = 0.1458333333 pounds per teaspoon.
Real-world example
1,000 st/pt × 0.1458333333 = 145.8333333 lb/tsp
1,000 stones per pint = 145.8333333 pounds per teaspoon.
Conversion table
| Stone per Pint (st/pt) | Pound per Teaspoon (lb/tsp) |
|---|---|
| 0.1 st/pt | 0.0145833333 lb/tsp |
| 1 st/pt | 0.1458333333 lb/tsp |
| 10 st/pt | 1.458333333 lb/tsp |
| 100 st/pt | 14.58333333 lb/tsp |
| 1,000 st/pt | 145.8333333 lb/tsp |
| 10,000 st/pt | 1,458.333333 lb/tsp |
Reverse conversion: Pound per Teaspoon to Stone per Pint
0.1458333333 lb/tsp × 6.857142857 = 0.9999999998 st/pt
0.1458333333 pounds per teaspoon = 0.9999999998 stones per pint.
stones per pint = pounds per teaspoon × 6.85714285714
For a page dedicated to this direction, see Pound per Teaspoon to Stone per Pint.
Understanding the Stone per Pint (st/pt)
Mass per volume density.
Understanding the Pound per Teaspoon (lb/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per teaspoon are in 1 stone per pint?
1 stone per pint equals 0.1458333333 pounds per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per pint to pound per teaspoon?
Multiply the stone per pint value by 0.1458333333. The converter above does this instantly to whatever precision you set.
How do I convert pound per teaspoon back to stone per pint?
Use the reverse factor: 1 pound per teaspoon equals 6.857142857 stones per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per pint?
Stone per Pint (st/pt) is a unit of density.
What is a pound per teaspoon?
Pound per Teaspoon (lb/tsp) is a unit of density.
Is the stone per pint to pound per teaspoon conversion exact?
Yes. Both stone per pint and pound per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.1458333333 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.