Mass per volume density.
Nanograms per Quart to Drams per Teaspoon Converter — ng/qt to dr/tsp
Convert Nanogram per Quart (ng/qt) to Dram per Teaspoon (dr/tsp) using the exact conversion factor (1 nanogram per quart = 2.939497e-12 dram per teaspoon). See the formula, worked examples, and conversion table.
Nanograms per Quart to Drams 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 1.05668821e-9 / 359.479282.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nanograms per Quart to Drams per Teaspoon
Nanogram per Quart and Dram 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
drams per teaspoon = nanograms per quart × 2.939497e-12
This factor comes from each unit's defined relationship to the category's base unit: 1 nanogram per quart equals 1.056688e-9 base units, and 1 dram per teaspoon equals 359.479281951 base units, so dividing one by the other gives the direct nanogram per quart-to-dram per teaspoon factor of 2.939497e-12.
Simple example
1 ng/qt × 2.939497e-12 = 2.939497e-12 dr/tsp
1 nanogram per quart = 2.939497e-12 drams per teaspoon.
Real-world example
1,000 ng/qt × 2.939497e-12 = 2.939497e-9 dr/tsp
1,000 nanograms per quart = 2.939497e-9 drams per teaspoon.
Conversion table
| Nanogram per Quart (ng/qt) | Dram per Teaspoon (dr/tsp) |
|---|---|
| 0.1 ng/qt | 2.939497e-13 dr/tsp |
| 1 ng/qt | 2.939497e-12 dr/tsp |
| 10 ng/qt | 2.939497e-11 dr/tsp |
| 100 ng/qt | 2.939497e-10 dr/tsp |
| 1,000 ng/qt | 2.939497e-9 dr/tsp |
| 10,000 ng/qt | 2.939497e-8 dr/tsp |
Reverse conversion: Dram per Teaspoon to Nanogram per Quart
2.939497e-12 dr/tsp × 340194277500 = 1.000000058 ng/qt
2.939497e-12 drams per teaspoon = 1.000000058 nanograms per quart.
nanograms per quart = drams per teaspoon × 340194277500
For a page dedicated to this direction, see Dram per Teaspoon to Nanogram per Quart.
Understanding the Nanogram per Quart (ng/qt)
Mass per volume density.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per teaspoon are in 1 nanogram per quart?
1 nanogram per quart equals 2.939497e-12 drams per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert nanogram per quart to dram per teaspoon?
Multiply the nanogram per quart value by 2.939497e-12. The converter above does this instantly to whatever precision you set.
How do I convert dram per teaspoon back to nanogram per quart?
Use the reverse factor: 1 dram per teaspoon equals 340,194,277,500 nanograms per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanogram per quart?
Nanogram per Quart (ng/qt) is a unit of density.
What is a dram per teaspoon?
Dram per Teaspoon (dr/tsp) is a unit of density.
Is the nanogram per quart to dram per teaspoon conversion exact?
Yes. Both nanogram per quart and dram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 2.939497e-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.