Mass per volume density.
Milligrams per Teaspoon to Dram per Cubic inches Converter — mg/tsp to dr/in3
Convert Milligram per Teaspoon (mg/tsp) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 milligram per teaspoon = 0.0018763915 dram per cubic inch). See the formula, worked examples, and conversion table.
Milligrams per Teaspoon to Dram per Cubic inches 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 0.2028841362 / 108.1246278.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Teaspoon to Dram per Cubic inches
Milligram per Teaspoon and Dram per Cubic inch 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
dram per cubic inches = milligrams per teaspoon × 0.00187639153436
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per teaspoon equals 0.202884136211 base units, and 1 dram per cubic inch equals 108.124627774 base units, so dividing one by the other gives the direct milligram per teaspoon-to-dram per cubic inch factor of 0.00187639153436.
Simple example
1 mg/tsp × 0.001876391534 = 0.0018763915 dr/in3
1 milligram per teaspoon = 0.0018763915 dram per cubic inches.
Real-world example
1,000 mg/tsp × 0.001876391534 = 1.876391534 dr/in3
1,000 milligrams per teaspoon = 1.876391534 dram per cubic inches.
Conversion table
| Milligram per Teaspoon (mg/tsp) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 mg/tsp | 0.0001876392 dr/in3 |
| 1 mg/tsp | 0.0018763915 dr/in3 |
| 10 mg/tsp | 0.0187639153 dr/in3 |
| 100 mg/tsp | 0.1876391534 dr/in3 |
| 1,000 mg/tsp | 1.876391534 dr/in3 |
| 10,000 mg/tsp | 18.76391534 dr/in3 |
Reverse conversion: Dram per Cubic inch to Milligram per Teaspoon
0.0018763915 dr/in3 × 532.9378127 = 0.9999999817 mg/tsp
0.0018763915 dram per cubic inches = 0.9999999817 milligrams per teaspoon.
milligrams per teaspoon = dram per cubic inches × 532.937812653
For a page dedicated to this direction, see Dram per Cubic inch to Milligram per Teaspoon.
Understanding the Milligram per Teaspoon (mg/tsp)
Mass per volume density.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many dram per cubic inches are in 1 milligram per teaspoon?
1 milligram per teaspoon equals 0.0018763915 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per teaspoon to dram per cubic inch?
Multiply the milligram per teaspoon value by 0.001876391534. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to milligram per teaspoon?
Use the reverse factor: 1 dram per cubic inch equals 532.9378127 milligrams per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per teaspoon?
Milligram per Teaspoon (mg/tsp) is a unit of density.
What is a dram per cubic inch?
Dram per Cubic inch (dr/in3) is a unit of density.
Is the milligram per teaspoon to dram per cubic inch conversion exact?
Yes. Both milligram per teaspoon and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.001876391534 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.