Mass per volume density.
Drams per Teaspoon to Picograms per Teaspoon Converter — dr/tsp to pg/tsp
Convert Dram per Teaspoon (dr/tsp) to Picogram per Teaspoon (pg/tsp) using the exact conversion factor (1 dram per teaspoon = 1.771845e+12 picogram per teaspoon). See the formula, worked examples, and conversion table.
Drams per Teaspoon 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 359.479282 / 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 Teaspoon to Picograms per Teaspoon
Dram per Teaspoon 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 teaspoon × 1.771845e+12
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 picogram per teaspoon equals 2.028841e-10 base units, so dividing one by the other gives the direct dram per teaspoon-to-picogram per teaspoon factor of 1.771845e+12.
Simple example
1 dr/tsp × 1.771845e+12 = 1.771845e+12 pg/tsp
1 dram per teaspoon = 1.771845e+12 picograms per teaspoon.
Real-world example
1,000 dr/tsp × 1.771845e+12 = 1.771845e+15 pg/tsp
1,000 drams per teaspoon = 1.771845e+15 picograms per teaspoon.
Conversion table
| Dram per Teaspoon (dr/tsp) | Picogram per Teaspoon (pg/tsp) |
|---|---|
| 0.1 dr/tsp | 177,184,519,500 pg/tsp |
| 1 dr/tsp | 1.771845e+12 pg/tsp |
| 10 dr/tsp | 1.771845e+13 pg/tsp |
| 100 dr/tsp | 1.771845e+14 pg/tsp |
| 1,000 dr/tsp | 1.771845e+15 pg/tsp |
| 10,000 dr/tsp | 1.771845e+16 pg/tsp |
Reverse conversion: Picogram per Teaspoon to Dram per Teaspoon
1.771845e+12 pg/tsp × 5.643834e-13 = 0.9999998898 dr/tsp
1.771845e+12 picograms per teaspoon = 0.9999998898 drams per teaspoon.
drams per teaspoon = picograms per teaspoon × 5.643834e-13
For a page dedicated to this direction, see Picogram per Teaspoon to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
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 teaspoon?
1 dram per teaspoon equals 1.771845e+12 picograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to picogram per teaspoon?
Multiply the dram per teaspoon value by 1.771845e+12. The converter above does this instantly to whatever precision you set.
How do I convert picogram per teaspoon back to dram per teaspoon?
Use the reverse factor: 1 picogram per teaspoon equals 5.643834e-13 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 picogram per teaspoon?
Picogram per Teaspoon (pg/tsp) is a unit of density.
Is the dram per teaspoon to picogram per teaspoon conversion exact?
Yes. Both dram per teaspoon and picogram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 1.771845e+12 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.