Mass per volume density.
Imperial hundredweights per Cup to Stones per Teaspoon Converter — long cwt/cup to st/tsp
Convert Imperial hundredweight per Cup (long cwt/cup) to Stone per Teaspoon (st/tsp) using the exact conversion factor (1 imperial hundredweight per cup = 0.1666666667 stone per teaspoon). See the formula, worked examples, and conversion table.
Imperial hundredweights per Cup to Stones 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 214728.9578 / 1.28837375e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial hundredweights per Cup to Stones per Teaspoon
Imperial hundredweight per Cup and Stone 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
stones per teaspoon = imperial hundredweights per cup × 0.166666666667
This factor comes from each unit's defined relationship to the category's base unit: 1 imperial hundredweight per cup equals 214728.957752 base units, and 1 stone per teaspoon equals 1288373.74651 base units, so dividing one by the other gives the direct imperial hundredweight per cup-to-stone per teaspoon factor of 0.166666666667.
Simple example
1 long cwt/cup × 0.1666666667 = 0.1666666667 st/tsp
1 imperial hundredweight per cup = 0.1666666667 stones per teaspoon.
Real-world example
1,000 long cwt/cup × 0.1666666667 = 166.6666667 st/tsp
1,000 imperial hundredweights per cup = 166.6666667 stones per teaspoon.
Conversion table
| Imperial hundredweight per Cup (long cwt/cup) | Stone per Teaspoon (st/tsp) |
|---|---|
| 0.1 long cwt/cup | 0.0166666667 st/tsp |
| 1 long cwt/cup | 0.1666666667 st/tsp |
| 10 long cwt/cup | 1.666666667 st/tsp |
| 100 long cwt/cup | 16.66666667 st/tsp |
| 1,000 long cwt/cup | 166.6666667 st/tsp |
| 10,000 long cwt/cup | 1,666.666667 st/tsp |
Reverse conversion: Stone per Teaspoon to Imperial hundredweight per Cup
0.1666666667 st/tsp × 6 = 1 long cwt/cup
0.1666666667 stones per teaspoon = 1 imperial hundredweights per cup.
imperial hundredweights per cup = stones per teaspoon × 6
For a page dedicated to this direction, see Stone per Teaspoon to Imperial hundredweight per Cup.
Understanding the Imperial hundredweight per Cup (long cwt/cup)
Mass per volume density.
Understanding the Stone per Teaspoon (st/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per teaspoon are in 1 imperial hundredweight per cup?
1 imperial hundredweight per cup equals 0.1666666667 stones per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert imperial hundredweight per cup to stone per teaspoon?
Multiply the imperial hundredweight per cup value by 0.1666666667. The converter above does this instantly to whatever precision you set.
How do I convert stone per teaspoon back to imperial hundredweight per cup?
Use the reverse factor: 1 stone per teaspoon equals 6 imperial hundredweights per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a imperial hundredweight per cup?
Imperial hundredweight per Cup (long cwt/cup) is a unit of density.
What is a stone per teaspoon?
Stone per Teaspoon (st/tsp) is a unit of density.
Is the imperial hundredweight per cup to stone per teaspoon conversion exact?
Yes. Both imperial hundredweight per cup and stone per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.1666666667 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.