Mass per volume density.
Drams per Teaspoon to Decigrams per Cup Converter — dr/tsp to dg/cup
Convert Dram per Teaspoon (dr/tsp) to Decigram per Cup (dg/cup) using the exact conversion factor (1 dram per teaspoon = 850.4856938 decigram per cup). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Decigrams per Cup 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 359.479282 / 0.4226752838.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Teaspoon to Decigrams per Cup
Dram per Teaspoon and Decigram per Cup 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
decigrams per cup = drams per teaspoon × 850.48569375
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per teaspoon equals 359.479281951 base units, and 1 decigram per cup equals 0.422675283773 base units, so dividing one by the other gives the direct dram per teaspoon-to-decigram per cup factor of 850.48569375.
Simple example
1 dr/tsp × 850.4856938 = 850.4856938 dg/cup
1 dram per teaspoon = 850.4856938 decigrams per cup.
Real-world example
1,000 dr/tsp × 850.4856938 = 850,485.6937 dg/cup
1,000 drams per teaspoon = 850,485.6937 decigrams per cup.
Conversion table
| Dram per Teaspoon (dr/tsp) | Decigram per Cup (dg/cup) |
|---|---|
| 0.1 dr/tsp | 85.04856938 dg/cup |
| 1 dr/tsp | 850.4856938 dg/cup |
| 10 dr/tsp | 8,504.856938 dg/cup |
| 100 dr/tsp | 85,048.56938 dg/cup |
| 1,000 dr/tsp | 850,485.6937 dg/cup |
| 10,000 dr/tsp | 8,504,856.938 dg/cup |
Reverse conversion: Decigram per Cup to Dram per Teaspoon
850.4856938 dg/cup × 0.001175798732 = 1 dr/tsp
850.4856938 decigrams per cup = 1 drams per teaspoon.
drams per teaspoon = decigrams per cup × 0.00117579873165
For a page dedicated to this direction, see Decigram per Cup to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Decigram per Cup (dg/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decigrams per cup are in 1 dram per teaspoon?
1 dram per teaspoon equals 850.4856938 decigrams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to decigram per cup?
Multiply the dram per teaspoon value by 850.4856938. The converter above does this instantly to whatever precision you set.
How do I convert decigram per cup back to dram per teaspoon?
Use the reverse factor: 1 decigram per cup equals 0.0011757987 drams per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per teaspoon?
Dram per Teaspoon (dr/tsp) is a unit of density.
What is a decigram per cup?
Decigram per Cup (dg/cup) is a unit of density.
Is the dram per teaspoon to decigram per cup conversion exact?
Yes. Both dram per teaspoon and decigram per cup are defined by fixed standards rather than physical artifacts, so the factor of 850.4856938 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.