Mass per volume density.
Drams per Pint to Picograms per Liter Converter — dr/pt to pg/L
Convert Dram per Pint (dr/pt) to Picogram per Liter (pg/L) using the exact conversion factor (1 dram per pint = 3.744576e+12 picogram per liter). See the formula, worked examples, and conversion table.
Drams per Pint to Picograms per Liter 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 / 1e-12.
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 Liter
Dram per Pint and Picogram per Liter 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 liter = drams per pint × 3.744576e+12
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 liter equals 1e-12 base units, so dividing one by the other gives the direct dram per pint-to-picogram per liter factor of 3.744576e+12.
Simple example
1 dr/pt × 3.744576e+12 = 3.744576e+12 pg/L
1 dram per pint = 3.744576e+12 picograms per liter.
Real-world example
1,000 dr/pt × 3.744576e+12 = 3.744576e+15 pg/L
1,000 drams per pint = 3.744576e+15 picograms per liter.
Conversion table
| Dram per Pint (dr/pt) | Picogram per Liter (pg/L) |
|---|---|
| 0.1 dr/pt | 374,457,585,400 pg/L |
| 1 dr/pt | 3.744576e+12 pg/L |
| 10 dr/pt | 3.744576e+13 pg/L |
| 100 dr/pt | 3.744576e+14 pg/L |
| 1,000 dr/pt | 3.744576e+15 pg/L |
| 10,000 dr/pt | 3.744576e+16 pg/L |
Reverse conversion: Picogram per Liter to Dram per Pint
3.744576e+12 pg/L × 2.670529e-13 = 1.000000039 dr/pt
3.744576e+12 picograms per liter = 1.000000039 drams per pint.
drams per pint = picograms per liter × 2.670529e-13
For a page dedicated to this direction, see Picogram per Liter to Dram per Pint.
Understanding the Dram per Pint (dr/pt)
Mass per volume density.
Understanding the Picogram per Liter (pg/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picograms per liter are in 1 dram per pint?
1 dram per pint equals 3.744576e+12 picograms per liter, using the exact defined conversion factor rather than an estimate.
How do I convert dram per pint to picogram per liter?
Multiply the dram per pint value by 3.744576e+12. The converter above does this instantly to whatever precision you set.
How do I convert picogram per liter back to dram per pint?
Use the reverse factor: 1 picogram per liter equals 2.670529e-13 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 liter?
Picogram per Liter (pg/L) is a unit of density.
Is the dram per pint to picogram per liter conversion exact?
Yes. Both dram per pint and picogram per liter are defined by fixed standards rather than physical artifacts, so the factor of 3.744576e+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.