Mass per volume density.
Stones per Cup to Hectograms per Teaspoon Converter — st/cup to hg/tsp
Convert Stone per Cup (st/cup) to Hectogram per Teaspoon (hg/tsp) using the exact conversion factor (1 stone per cup = 1.322977746 hectogram per teaspoon). See the formula, worked examples, and conversion table.
Stones per Cup to Hectograms 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 26841.11972 / 20288.41362.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cup to Hectograms per Teaspoon
Stone per Cup and Hectogram 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
hectograms per teaspoon = stones per cup × 1.32297774583
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cup equals 26841.119719 base units, and 1 hectogram per teaspoon equals 20288.4136211 base units, so dividing one by the other gives the direct stone per cup-to-hectogram per teaspoon factor of 1.32297774583.
Simple example
1 st/cup × 1.322977746 = 1.322977746 hg/tsp
1 stone per cup = 1.322977746 hectograms per teaspoon.
Real-world example
1,000 st/cup × 1.322977746 = 1,322.977746 hg/tsp
1,000 stones per cup = 1,322.977746 hectograms per teaspoon.
Conversion table
| Stone per Cup (st/cup) | Hectogram per Teaspoon (hg/tsp) |
|---|---|
| 0.1 st/cup | 0.1322977746 hg/tsp |
| 1 st/cup | 1.322977746 hg/tsp |
| 10 st/cup | 13.22977746 hg/tsp |
| 100 st/cup | 132.2977746 hg/tsp |
| 1,000 st/cup | 1,322.977746 hg/tsp |
| 10,000 st/cup | 13,229.77746 hg/tsp |
Reverse conversion: Hectogram per Teaspoon to Stone per Cup
1.322977746 hg/tsp × 0.7558706132 = 1 st/cup
1.322977746 hectograms per teaspoon = 1 stones per cup.
stones per cup = hectograms per teaspoon × 0.755870613205
For a page dedicated to this direction, see Hectogram per Teaspoon to Stone per Cup.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Understanding the Hectogram per Teaspoon (hg/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectograms per teaspoon are in 1 stone per cup?
1 stone per cup equals 1.322977746 hectograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cup to hectogram per teaspoon?
Multiply the stone per cup value by 1.322977746. The converter above does this instantly to whatever precision you set.
How do I convert hectogram per teaspoon back to stone per cup?
Use the reverse factor: 1 hectogram per teaspoon equals 0.7558706132 stones per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
What is a hectogram per teaspoon?
Hectogram per Teaspoon (hg/tsp) is a unit of density.
Is the stone per cup to hectogram per teaspoon conversion exact?
Yes. Both stone per cup and hectogram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 1.322977746 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.