Mass per volume density.
Micrograms per Gallon to Nanograms per Teaspoon Converter — ug/gal to ng/tsp
Convert Microgram per Gallon (ug/gal) to Nanogram per Teaspoon (ng/tsp) using the exact conversion factor (1 microgram per gallon = 1.302083333 nanogram per teaspoon). See the formula, worked examples, and conversion table.
Micrograms per Gallon to Nanograms 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-7 / 2.02884136e-7.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Gallon to Nanograms per Teaspoon
Microgram per Gallon and Nanogram 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
nanograms per teaspoon = micrograms per gallon × 1.30208333333
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per gallon equals 2.641721e-7 base units, and 1 nanogram per teaspoon equals 2.028841e-7 base units, so dividing one by the other gives the direct microgram per gallon-to-nanogram per teaspoon factor of 1.30208333333.
Simple example
1 ug/gal × 1.302083333 = 1.302083333 ng/tsp
1 microgram per gallon = 1.302083333 nanograms per teaspoon.
Real-world example
1,000 ug/gal × 1.302083333 = 1,302.083333 ng/tsp
1,000 micrograms per gallon = 1,302.083333 nanograms per teaspoon.
Conversion table
| Microgram per Gallon (ug/gal) | Nanogram per Teaspoon (ng/tsp) |
|---|---|
| 0.1 ug/gal | 0.1302083333 ng/tsp |
| 1 ug/gal | 1.302083333 ng/tsp |
| 10 ug/gal | 13.02083333 ng/tsp |
| 100 ug/gal | 130.2083333 ng/tsp |
| 1,000 ug/gal | 1,302.083333 ng/tsp |
| 10,000 ug/gal | 13,020.83333 ng/tsp |
Reverse conversion: Nanogram per Teaspoon to Microgram per Gallon
1.302083333 ng/tsp × 0.768 = 0.9999999997 ug/gal
1.302083333 nanograms per teaspoon = 0.9999999997 micrograms per gallon.
micrograms per gallon = nanograms per teaspoon × 0.768
For a page dedicated to this direction, see Nanogram per Teaspoon to Microgram per Gallon.
Understanding the Microgram per Gallon (ug/gal)
Mass per volume density.
Understanding the Nanogram per Teaspoon (ng/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nanograms per teaspoon are in 1 microgram per gallon?
1 microgram per gallon equals 1.302083333 nanograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per gallon to nanogram per teaspoon?
Multiply the microgram per gallon value by 1.302083333. The converter above does this instantly to whatever precision you set.
How do I convert nanogram per teaspoon back to microgram per gallon?
Use the reverse factor: 1 nanogram per teaspoon equals 0.768 micrograms per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per gallon?
Microgram per Gallon (ug/gal) is a unit of density.
What is a nanogram per teaspoon?
Nanogram per Teaspoon (ng/tsp) is a unit of density.
Is the microgram per gallon to nanogram per teaspoon conversion exact?
Yes. Both microgram per gallon and nanogram 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.