Mass per volume density.
Nanograms per Gallon to Picograms per Teaspoon Converter — ng/gal to pg/tsp
Convert Nanogram per Gallon (ng/gal) to Picogram per Teaspoon (pg/tsp) using the exact conversion factor (1 nanogram per gallon = 1.302083333 picogram per teaspoon). See the formula, worked examples, and conversion table.
Nanograms per Gallon 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 2.64172052e-10 / 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 Gallon to Picograms per Teaspoon
Nanogram per Gallon 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 gallon × 1.30208333333
This factor comes from each unit's defined relationship to the category's base unit: 1 nanogram per gallon equals 2.641721e-10 base units, and 1 picogram per teaspoon equals 2.028841e-10 base units, so dividing one by the other gives the direct nanogram per gallon-to-picogram per teaspoon factor of 1.30208333333.
Simple example
1 ng/gal × 1.302083333 = 1.302083333 pg/tsp
1 nanogram per gallon = 1.302083333 picograms per teaspoon.
Real-world example
1,000 ng/gal × 1.302083333 = 1,302.083333 pg/tsp
1,000 nanograms per gallon = 1,302.083333 picograms per teaspoon.
Conversion table
| Nanogram per Gallon (ng/gal) | Picogram per Teaspoon (pg/tsp) |
|---|---|
| 0.1 ng/gal | 0.1302083333 pg/tsp |
| 1 ng/gal | 1.302083333 pg/tsp |
| 10 ng/gal | 13.02083333 pg/tsp |
| 100 ng/gal | 130.2083333 pg/tsp |
| 1,000 ng/gal | 1,302.083333 pg/tsp |
| 10,000 ng/gal | 13,020.83333 pg/tsp |
Reverse conversion: Picogram per Teaspoon to Nanogram per Gallon
1.302083333 pg/tsp × 0.768 = 0.9999999997 ng/gal
1.302083333 picograms per teaspoon = 0.9999999997 nanograms per gallon.
nanograms per gallon = picograms per teaspoon × 0.768
For a page dedicated to this direction, see Picogram per Teaspoon to Nanogram per Gallon.
Understanding the Nanogram per Gallon (ng/gal)
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 gallon?
1 nanogram per gallon equals 1.302083333 picograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert nanogram per gallon to picogram per teaspoon?
Multiply the nanogram per gallon value by 1.302083333. The converter above does this instantly to whatever precision you set.
How do I convert picogram per teaspoon back to nanogram per gallon?
Use the reverse factor: 1 picogram per teaspoon equals 0.768 nanograms per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanogram per gallon?
Nanogram per Gallon (ng/gal) 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 gallon to picogram per teaspoon conversion exact?
Yes. Both nanogram per gallon and picogram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 1.302083333 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.