Mass per volume density.
Stones per Teaspoon to Imperial hundredweights per Teaspoon Converter — st/tsp to long cwt/tsp
Convert Stone per Teaspoon (st/tsp) to Imperial hundredweight per Teaspoon (long cwt/tsp) using the exact conversion factor (1 stone per teaspoon = 0.125 imperial hundredweight per teaspoon). See the formula, worked examples, and conversion table.
Stones per Teaspoon to Imperial hundredweights 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 / 1.030699e+7.
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 Imperial hundredweights per Teaspoon
Stone per Teaspoon and Imperial hundredweight 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
imperial hundredweights per teaspoon = stones per teaspoon × 0.125
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 imperial hundredweight per teaspoon equals 10306989.9721 base units, so dividing one by the other gives the direct stone per teaspoon-to-imperial hundredweight per teaspoon factor of 0.125.
Simple example
1 st/tsp × 0.125 = 0.125 long cwt/tsp
1 stone per teaspoon = 0.125 imperial hundredweights per teaspoon.
Real-world example
1,000 st/tsp × 0.125 = 125 long cwt/tsp
1,000 stones per teaspoon = 125 imperial hundredweights per teaspoon.
Conversion table
| Stone per Teaspoon (st/tsp) | Imperial hundredweight per Teaspoon (long cwt/tsp) |
|---|---|
| 0.1 st/tsp | 0.0125 long cwt/tsp |
| 1 st/tsp | 0.125 long cwt/tsp |
| 10 st/tsp | 1.25 long cwt/tsp |
| 100 st/tsp | 12.5 long cwt/tsp |
| 1,000 st/tsp | 125 long cwt/tsp |
| 10,000 st/tsp | 1,250 long cwt/tsp |
Reverse conversion: Imperial hundredweight per Teaspoon to Stone per Teaspoon
0.125 long cwt/tsp × 8 = 1 st/tsp
0.125 imperial hundredweights per teaspoon = 1 stone per teaspoon.
stones per teaspoon = imperial hundredweights per teaspoon × 8
For a page dedicated to this direction, see Imperial hundredweight per Teaspoon to Stone per Teaspoon.
Understanding the Stone per Teaspoon (st/tsp)
Mass per volume density.
Understanding the Imperial hundredweight per Teaspoon (long cwt/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many imperial hundredweights per teaspoon are in 1 stone per teaspoon?
1 stone per teaspoon equals 0.125 imperial hundredweights per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per teaspoon to imperial hundredweight per teaspoon?
Multiply the stone per teaspoon value by 0.125. The converter above does this instantly to whatever precision you set.
How do I convert imperial hundredweight per teaspoon back to stone per teaspoon?
Use the reverse factor: 1 imperial hundredweight per teaspoon equals 8 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 imperial hundredweight per teaspoon?
Imperial hundredweight per Teaspoon (long cwt/tsp) is a unit of density.
Is the stone per teaspoon to imperial hundredweight per teaspoon conversion exact?
Yes. Both stone per teaspoon and imperial hundredweight per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.125 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.