Mass per volume density.
Drams per Pint to Picograms per Teaspoon Converter — dr/pt to pg/tsp
Convert Dram per Pint (dr/pt) to Picogram per Teaspoon (pg/tsp) using the exact conversion factor (1 dram per pint = 18,456,720,780 picogram per teaspoon). See the formula, worked examples, and conversion table.
Drams per Pint to Picograms 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 3.744575854 / 2.02884136e-10.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Pint to Picograms per Teaspoon
Dram per Pint and Picogram 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
picograms per teaspoon = drams per pint × 18456720784.5
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per pint equals 3.74457585365 base units, and 1 picogram per teaspoon equals 2.028841e-10 base units, so dividing one by the other gives the direct dram per pint-to-picogram per teaspoon factor of 18456720784.5.
Simple example
1 dr/pt × 18456720780 = 18,456,720,780 pg/tsp
1 dram per pint = 18,456,720,780 picograms per teaspoon.
Real-world example
1,000 dr/pt × 18456720780 = 1.845672e+13 pg/tsp
1,000 drams per pint = 1.845672e+13 picograms per teaspoon.
Conversion table
| Dram per Pint (dr/pt) | Picogram per Teaspoon (pg/tsp) |
|---|---|
| 0.1 dr/pt | 1,845,672,078 pg/tsp |
| 1 dr/pt | 18,456,720,780 pg/tsp |
| 10 dr/pt | 184,567,207,800 pg/tsp |
| 100 dr/pt | 1.845672e+12 pg/tsp |
| 1,000 dr/pt | 1.845672e+13 pg/tsp |
| 10,000 dr/pt | 1.845672e+14 pg/tsp |
Reverse conversion: Picogram per Teaspoon to Dram per Pint
1 pg/tsp × 5.418081e-11 = 5.418081e-11 dr/pt
1 picogram per teaspoon = 5.418081e-11 drams per pint.
drams per pint = picograms per teaspoon × 5.418081e-11
For a page dedicated to this direction, see Picogram per Teaspoon to Dram per Pint.
Understanding the Dram per Pint (dr/pt)
Mass per volume density.
Understanding the Picogram per Teaspoon (pg/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picograms per teaspoon are in 1 dram per pint?
1 dram per pint equals 18,456,720,780 picograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per pint to picogram per teaspoon?
Multiply the dram per pint value by 18456720780. The converter above does this instantly to whatever precision you set.
How do I convert picogram per teaspoon back to dram per pint?
Use the reverse factor: 1 picogram per teaspoon equals 5.418081e-11 drams per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per pint?
Dram per Pint (dr/pt) is a unit of density.
What is a picogram per teaspoon?
Picogram per Teaspoon (pg/tsp) is a unit of density.
Is the dram per pint to picogram per teaspoon conversion exact?
Yes. Both dram per pint and picogram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 18456720780 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.