Mass per volume density.
Stones per Teaspoon to Pounds per Teaspoon Converter — st/tsp to lb/tsp
Convert Stone per Teaspoon (st/tsp) to Pound per Teaspoon (lb/tsp) using the exact conversion factor (1 stone per teaspoon = 14 pound per teaspoon). See the formula, worked examples, and conversion table.
Stones per Teaspoon 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 1.28837375e+6 / 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 Teaspoon to Pounds per Teaspoon
Stone per Teaspoon 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 teaspoon × 14
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per teaspoon equals 1288373.74651 base units, and 1 pound per teaspoon equals 92026.6961794 base units, so dividing one by the other gives the direct stone per teaspoon-to-pound per teaspoon factor of 14.
Simple example
1 st/tsp × 14 = 14 lb/tsp
1 stone per teaspoon = 14 pounds per teaspoon.
Real-world example
1,000 st/tsp × 14 = 14,000 lb/tsp
1,000 stones per teaspoon = 14,000 pounds per teaspoon.
Conversion table
| Stone per Teaspoon (st/tsp) | Pound per Teaspoon (lb/tsp) |
|---|---|
| 0.1 st/tsp | 1.4 lb/tsp |
| 1 st/tsp | 14 lb/tsp |
| 10 st/tsp | 140 lb/tsp |
| 100 st/tsp | 1,400 lb/tsp |
| 1,000 st/tsp | 14,000 lb/tsp |
| 10,000 st/tsp | 140,000 lb/tsp |
Reverse conversion: Pound per Teaspoon to Stone per Teaspoon
14 lb/tsp × 0.07142857143 = 1 st/tsp
14 pounds per teaspoon = 1 stone per teaspoon.
stones per teaspoon = pounds per teaspoon × 0.0714285714286
For a page dedicated to this direction, see Pound per Teaspoon to Stone per Teaspoon.
Understanding the Stone per Teaspoon (st/tsp)
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 teaspoon?
1 stone per teaspoon equals 14 pounds per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per teaspoon to pound per teaspoon?
Multiply the stone per teaspoon value by 14. The converter above does this instantly to whatever precision you set.
How do I convert pound per teaspoon back to stone per teaspoon?
Use the reverse factor: 1 pound per teaspoon equals 0.0714285714 stones per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per teaspoon?
Stone per Teaspoon (st/tsp) 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 teaspoon to pound per teaspoon conversion exact?
Yes. Both stone per teaspoon and pound per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 14 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.