Mass per volume density.
Milligrams per Milliliter to Drams per Teaspoon Converter — mg/mL to dr/tsp
Convert Milligram per Milliliter (mg/mL) to Dram per Teaspoon (dr/tsp) using the exact conversion factor (1 milligram per milliliter = 0.0027818015 dram per teaspoon). See the formula, worked examples, and conversion table.
Milligrams per Milliliter to Drams 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 / 359.479282.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Milliliter to Drams per Teaspoon
Milligram per Milliliter and Dram 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
drams per teaspoon = milligrams per milliliter × 0.00278180148401
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per milliliter equals 1 base unit, and 1 dram per teaspoon equals 359.479281951 base units, so dividing one by the other gives the direct milligram per milliliter-to-dram per teaspoon factor of 0.00278180148401.
Simple example
1 mg/mL × 0.002781801484 = 0.0027818015 dr/tsp
1 milligram per milliliter = 0.0027818015 drams per teaspoon.
Real-world example
1,000 mg/mL × 0.002781801484 = 2.781801484 dr/tsp
1,000 milligrams per milliliter = 2.781801484 drams per teaspoon.
Conversion table
| Milligram per Milliliter (mg/mL) | Dram per Teaspoon (dr/tsp) |
|---|---|
| 0.1 mg/mL | 0.0002781801 dr/tsp |
| 1 mg/mL | 0.0027818015 dr/tsp |
| 10 mg/mL | 0.0278180148 dr/tsp |
| 100 mg/mL | 0.2781801484 dr/tsp |
| 1,000 mg/mL | 2.781801484 dr/tsp |
| 10,000 mg/mL | 27.81801484 dr/tsp |
Reverse conversion: Dram per Teaspoon to Milligram per Milliliter
0.0027818015 dr/tsp × 359.479282 = 1.000000006 mg/mL
0.0027818015 drams per teaspoon = 1.000000006 milligrams per milliliter.
milligrams per milliliter = drams per teaspoon × 359.479281951
For a page dedicated to this direction, see Dram per Teaspoon to Milligram per Milliliter.
Understanding the Milligram per Milliliter (mg/mL)
Mass per volume density.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per teaspoon are in 1 milligram per milliliter?
1 milligram per milliliter equals 0.0027818015 drams per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per milliliter to dram per teaspoon?
Multiply the milligram per milliliter value by 0.002781801484. The converter above does this instantly to whatever precision you set.
How do I convert dram per teaspoon back to milligram per milliliter?
Use the reverse factor: 1 dram per teaspoon equals 359.479282 milligrams per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per milliliter?
Milligram per Milliliter (mg/mL) is a unit of density.
What is a dram per teaspoon?
Dram per Teaspoon (dr/tsp) is a unit of density.
Is the milligram per milliliter to dram per teaspoon conversion exact?
Yes. Both milligram per milliliter and dram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.002781801484 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.