Mass per volume density.
Pounds per Teaspoon to Drams per Cubic Millimeter Converter — lb/tsp to dr/mm3
Convert Pound per Teaspoon (lb/tsp) to Dram per Cubic Millimeter (dr/mm3) using the exact conversion factor (1 pound per teaspoon = 0.0519383389 dram per cubic millimeter). See the formula, worked examples, and conversion table.
Pounds per Teaspoon to Drams per Cubic Millimeter 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 92026.69618 / 1.7718452e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Teaspoon to Drams per Cubic Millimeter
Pound per Teaspoon and Dram per Cubic Millimeter 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 cubic millimeter = pounds per teaspoon × 0.05193833887
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per teaspoon equals 92026.6961794 base units, and 1 dram per cubic millimeter equals 1771845.19531 base units, so dividing one by the other gives the direct pound per teaspoon-to-dram per cubic millimeter factor of 0.05193833887.
Simple example
1 lb/tsp × 0.05193833887 = 0.0519383389 dr/mm3
1 pound per teaspoon = 0.0519383389 drams per cubic millimeter.
Real-world example
1,000 lb/tsp × 0.05193833887 = 51.93833887 dr/mm3
1,000 pounds per teaspoon = 51.93833887 drams per cubic millimeter.
Conversion table
| Pound per Teaspoon (lb/tsp) | Dram per Cubic Millimeter (dr/mm3) |
|---|---|
| 0.1 lb/tsp | 0.0051938339 dr/mm3 |
| 1 lb/tsp | 0.0519383389 dr/mm3 |
| 10 lb/tsp | 0.5193833887 dr/mm3 |
| 100 lb/tsp | 5.193833887 dr/mm3 |
| 1,000 lb/tsp | 51.93833887 dr/mm3 |
| 10,000 lb/tsp | 519.3833887 dr/mm3 |
Reverse conversion: Dram per Cubic Millimeter to Pound per Teaspoon
0.0519383389 dr/mm3 × 19.25359998 = 1.000000001 lb/tsp
0.0519383389 drams per cubic millimeter = 1.000000001 pounds per teaspoon.
pounds per teaspoon = drams per cubic millimeter × 19.2535999756
For a page dedicated to this direction, see Dram per Cubic Millimeter to Pound per Teaspoon.
Understanding the Pound per Teaspoon (lb/tsp)
Mass per volume density.
Understanding the Dram per Cubic Millimeter (dr/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cubic millimeter are in 1 pound per teaspoon?
1 pound per teaspoon equals 0.0519383389 drams per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per teaspoon to dram per cubic millimeter?
Multiply the pound per teaspoon value by 0.05193833887. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic millimeter back to pound per teaspoon?
Use the reverse factor: 1 dram per cubic millimeter equals 19.25359998 pounds per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per teaspoon?
Pound per Teaspoon (lb/tsp) is a unit of density.
What is a dram per cubic millimeter?
Dram per Cubic Millimeter (dr/mm3) is a unit of density.
Is the pound per teaspoon to dram per cubic millimeter conversion exact?
Yes. Both pound per teaspoon and dram per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.05193833887 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.