Mass per volume density.
Drams per Teaspoon to Micrograms per Liter Converter — dr/tsp to ug/L
Convert Dram per Teaspoon (dr/tsp) to Microgram per Liter (ug/L) using the exact conversion factor (1 dram per teaspoon = 359,479,282 microgram per liter). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Micrograms 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 359.479282 / 1e-6.
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 Micrograms per Liter
Dram per Teaspoon and Microgram 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
micrograms per liter = drams per teaspoon × 359479281.951
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 microgram per liter equals 0.000001 base units, so dividing one by the other gives the direct dram per teaspoon-to-microgram per liter factor of 359479281.951.
Simple example
1 dr/tsp × 359479282 = 359,479,282 ug/L
1 dram per teaspoon = 359,479,282 micrograms per liter.
Real-world example
1,000 dr/tsp × 359479282 = 359,479,282,000 ug/L
1,000 drams per teaspoon = 359,479,282,000 micrograms per liter.
Conversion table
| Dram per Teaspoon (dr/tsp) | Microgram per Liter (ug/L) |
|---|---|
| 0.1 dr/tsp | 35,947,928.2 ug/L |
| 1 dr/tsp | 359,479,282 ug/L |
| 10 dr/tsp | 3,594,792,820 ug/L |
| 100 dr/tsp | 35,947,928,200 ug/L |
| 1,000 dr/tsp | 359,479,282,000 ug/L |
| 10,000 dr/tsp | 3.594793e+12 ug/L |
Reverse conversion: Microgram per Liter to Dram per Teaspoon
1 ug/L × 2.781801e-9 = 2.781801e-9 dr/tsp
1 microgram per liter = 2.781801e-9 drams per teaspoon.
drams per teaspoon = micrograms per liter × 2.781801e-9
For a page dedicated to this direction, see Microgram per Liter to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Microgram per Liter (ug/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per liter are in 1 dram per teaspoon?
1 dram per teaspoon equals 359,479,282 micrograms per liter, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to microgram per liter?
Multiply the dram per teaspoon value by 359479282. The converter above does this instantly to whatever precision you set.
How do I convert microgram per liter back to dram per teaspoon?
Use the reverse factor: 1 microgram per liter equals 2.781801e-9 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 microgram per liter?
Microgram per Liter (ug/L) is a unit of density.
Is the dram per teaspoon to microgram per liter conversion exact?
Yes. Both dram per teaspoon and microgram per liter are defined by fixed standards rather than physical artifacts, so the factor of 359479282 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.