Mass per volume density.
Drams per Teaspoon to Pounds per Cubic Millimeter Converter — dr/tsp to lb/mm3
Convert Dram per Teaspoon (dr/tsp) to Pound per Cubic Millimeter (lb/mm3) using the exact conversion factor (1 dram per teaspoon = 7.925162e-7 pound per cubic millimeter). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Pounds 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 359.479282 / 4.5359237e+8.
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 Pounds per Cubic Millimeter
Dram per Teaspoon and Pound 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
pounds per cubic millimeter = drams per teaspoon × 7.925162e-7
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 pound per cubic millimeter equals 453592370 base units, so dividing one by the other gives the direct dram per teaspoon-to-pound per cubic millimeter factor of 7.925162e-7.
Simple example
1 dr/tsp × 7.925162e-7 = 7.925162e-7 lb/mm3
1 dram per teaspoon = 7.925162e-7 pounds per cubic millimeter.
Real-world example
1,000 dr/tsp × 7.925162e-7 = 0.0007925162 lb/mm3
1,000 drams per teaspoon = 0.0007925162 pounds per cubic millimeter.
Conversion table
| Dram per Teaspoon (dr/tsp) | Pound per Cubic Millimeter (lb/mm3) |
|---|---|
| 0.1 dr/tsp | 7.925162e-8 lb/mm3 |
| 1 dr/tsp | 7.925162e-7 lb/mm3 |
| 10 dr/tsp | 0.0000079252 lb/mm3 |
| 100 dr/tsp | 0.0000792516 lb/mm3 |
| 1,000 dr/tsp | 0.0007925162 lb/mm3 |
| 10,000 dr/tsp | 0.0079251616 lb/mm3 |
Reverse conversion: Pound per Cubic Millimeter to Dram per Teaspoon
7.925162e-7 lb/mm3 × 1261803.928 = 1.000000054 dr/tsp
7.925162e-7 pounds per cubic millimeter = 1.000000054 drams per teaspoon.
drams per teaspoon = pounds per cubic millimeter × 1261803.928
For a page dedicated to this direction, see Pound per Cubic Millimeter to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Pound per Cubic Millimeter (lb/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cubic millimeter are in 1 dram per teaspoon?
1 dram per teaspoon equals 7.925162e-7 pounds per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to pound per cubic millimeter?
Multiply the dram per teaspoon value by 7.925162e-7. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic millimeter back to dram per teaspoon?
Use the reverse factor: 1 pound per cubic millimeter equals 1,261,803.928 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 pound per cubic millimeter?
Pound per Cubic Millimeter (lb/mm3) is a unit of density.
Is the dram per teaspoon to pound per cubic millimeter conversion exact?
Yes. Both dram per teaspoon and pound per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 7.925162e-7 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.