Mass per volume density.
Nanograms per Cup to Picograms per Teaspoon Converter — ng/cup to pg/tsp
Convert Nanogram per Cup (ng/cup) to Picogram per Teaspoon (pg/tsp) using the exact conversion factor (1 nanogram per cup = 20.83333333 picogram per teaspoon). See the formula, worked examples, and conversion table.
Nanograms per Cup to Picograms 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 4.22675284e-9 / 2.02884136e-10.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nanograms per Cup to Picograms per Teaspoon
Nanogram per Cup and Picogram 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
picograms per teaspoon = nanograms per cup × 20.8333333333
This factor comes from each unit's defined relationship to the category's base unit: 1 nanogram per cup equals 4.226753e-9 base units, and 1 picogram per teaspoon equals 2.028841e-10 base units, so dividing one by the other gives the direct nanogram per cup-to-picogram per teaspoon factor of 20.8333333333.
Simple example
1 ng/cup × 20.83333333 = 20.83333333 pg/tsp
1 nanogram per cup = 20.83333333 picograms per teaspoon.
Real-world example
1,000 ng/cup × 20.83333333 = 20,833.33333 pg/tsp
1,000 nanograms per cup = 20,833.33333 picograms per teaspoon.
Conversion table
| Nanogram per Cup (ng/cup) | Picogram per Teaspoon (pg/tsp) |
|---|---|
| 0.1 ng/cup | 2.083333333 pg/tsp |
| 1 ng/cup | 20.83333333 pg/tsp |
| 10 ng/cup | 208.3333333 pg/tsp |
| 100 ng/cup | 2,083.333333 pg/tsp |
| 1,000 ng/cup | 20,833.33333 pg/tsp |
| 10,000 ng/cup | 208,333.3333 pg/tsp |
Reverse conversion: Picogram per Teaspoon to Nanogram per Cup
20.83333333 pg/tsp × 0.048 = 0.9999999998 ng/cup
20.83333333 picograms per teaspoon = 0.9999999998 nanograms per cup.
nanograms per cup = picograms per teaspoon × 0.048
For a page dedicated to this direction, see Picogram per Teaspoon to Nanogram per Cup.
Understanding the Nanogram per Cup (ng/cup)
Mass per volume density.
Understanding the Picogram per Teaspoon (pg/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picograms per teaspoon are in 1 nanogram per cup?
1 nanogram per cup equals 20.83333333 picograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert nanogram per cup to picogram per teaspoon?
Multiply the nanogram per cup value by 20.83333333. The converter above does this instantly to whatever precision you set.
How do I convert picogram per teaspoon back to nanogram per cup?
Use the reverse factor: 1 picogram per teaspoon equals 0.048 nanograms per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanogram per cup?
Nanogram per Cup (ng/cup) is a unit of density.
What is a picogram per teaspoon?
Picogram per Teaspoon (pg/tsp) is a unit of density.
Is the nanogram per cup to picogram per teaspoon conversion exact?
Yes. Both nanogram per cup and picogram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 20.83333333 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.