Mass per volume density.
Drams per Teaspoon to Nanograms per Quart Converter — dr/tsp to ng/qt
Convert Dram per Teaspoon (dr/tsp) to Nanogram per Quart (ng/qt) using the exact conversion factor (1 dram per teaspoon = 340,194,277,500 nanogram per quart). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Nanograms per Quart 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 / 1.05668821e-9.
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 Nanograms per Quart
Dram per Teaspoon and Nanogram per Quart 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
nanograms per quart = drams per teaspoon × 340194277500
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 nanogram per quart equals 1.056688e-9 base units, so dividing one by the other gives the direct dram per teaspoon-to-nanogram per quart factor of 340194277500.
Simple example
1 dr/tsp × 340194277500 = 340,194,277,500 ng/qt
1 dram per teaspoon = 340,194,277,500 nanograms per quart.
Real-world example
1,000 dr/tsp × 340194277500 = 3.401943e+14 ng/qt
1,000 drams per teaspoon = 3.401943e+14 nanograms per quart.
Conversion table
| Dram per Teaspoon (dr/tsp) | Nanogram per Quart (ng/qt) |
|---|---|
| 0.1 dr/tsp | 34,019,427,750 ng/qt |
| 1 dr/tsp | 340,194,277,500 ng/qt |
| 10 dr/tsp | 3.401943e+12 ng/qt |
| 100 dr/tsp | 3.401943e+13 ng/qt |
| 1,000 dr/tsp | 3.401943e+14 ng/qt |
| 10,000 dr/tsp | 3.401943e+15 ng/qt |
Reverse conversion: Nanogram per Quart to Dram per Teaspoon
1 ng/qt × 2.939497e-12 = 2.939497e-12 dr/tsp
1 nanogram per quart = 2.939497e-12 drams per teaspoon.
drams per teaspoon = nanograms per quart × 2.939497e-12
For a page dedicated to this direction, see Nanogram per Quart to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Nanogram per Quart (ng/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nanograms per quart are in 1 dram per teaspoon?
1 dram per teaspoon equals 340,194,277,500 nanograms per quart, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to nanogram per quart?
Multiply the dram per teaspoon value by 340194277500. The converter above does this instantly to whatever precision you set.
How do I convert nanogram per quart back to dram per teaspoon?
Use the reverse factor: 1 nanogram per quart equals 2.939497e-12 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 nanogram per quart?
Nanogram per Quart (ng/qt) is a unit of density.
Is the dram per teaspoon to nanogram per quart conversion exact?
Yes. Both dram per teaspoon and nanogram per quart are defined by fixed standards rather than physical artifacts, so the factor of 340194277500 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.