Mass per volume density.
Drams per Teaspoon to Nanograms per Cup Converter — dr/tsp to ng/cup
Convert Dram per Teaspoon (dr/tsp) to Nanogram per Cup (ng/cup) using the exact conversion factor (1 dram per teaspoon = 85,048,569,380 nanogram per cup). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Nanograms per Cup 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 / 4.22675284e-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 Cup
Dram per Teaspoon and Nanogram per Cup 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 cup = drams per teaspoon × 85048569375
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 cup equals 4.226753e-9 base units, so dividing one by the other gives the direct dram per teaspoon-to-nanogram per cup factor of 85048569375.
Simple example
1 dr/tsp × 85048569380 = 85,048,569,380 ng/cup
1 dram per teaspoon = 85,048,569,380 nanograms per cup.
Real-world example
1,000 dr/tsp × 85048569380 = 8.504857e+13 ng/cup
1,000 drams per teaspoon = 8.504857e+13 nanograms per cup.
Conversion table
| Dram per Teaspoon (dr/tsp) | Nanogram per Cup (ng/cup) |
|---|---|
| 0.1 dr/tsp | 8,504,856,938 ng/cup |
| 1 dr/tsp | 85,048,569,380 ng/cup |
| 10 dr/tsp | 850,485,693,700 ng/cup |
| 100 dr/tsp | 8.504857e+12 ng/cup |
| 1,000 dr/tsp | 8.504857e+13 ng/cup |
| 10,000 dr/tsp | 8.504857e+14 ng/cup |
Reverse conversion: Nanogram per Cup to Dram per Teaspoon
1 ng/cup × 1.175799e-11 = 1.175799e-11 dr/tsp
1 nanogram per cup = 1.175799e-11 drams per teaspoon.
drams per teaspoon = nanograms per cup × 1.175799e-11
For a page dedicated to this direction, see Nanogram per Cup to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Nanogram per Cup (ng/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nanograms per cup are in 1 dram per teaspoon?
1 dram per teaspoon equals 85,048,569,380 nanograms per cup, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to nanogram per cup?
Multiply the dram per teaspoon value by 85048569380. The converter above does this instantly to whatever precision you set.
How do I convert nanogram per cup back to dram per teaspoon?
Use the reverse factor: 1 nanogram per cup equals 1.175799e-11 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 cup?
Nanogram per Cup (ng/cup) is a unit of density.
Is the dram per teaspoon to nanogram per cup conversion exact?
Yes. Both dram per teaspoon and nanogram per cup are defined by fixed standards rather than physical artifacts, so the factor of 85048569380 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.