Mass per volume density.
Micrograms per Gallon to Picograms per Teaspoon Converter — ug/gal to pg/tsp
Convert Microgram per Gallon (ug/gal) to Picogram per Teaspoon (pg/tsp) using the exact conversion factor (1 microgram per gallon = 1,302.083333 picogram per teaspoon). See the formula, worked examples, and conversion table.
Micrograms 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-7 / 2.02884136e-10.
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 Picograms per Teaspoon
Microgram 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 = micrograms per gallon × 1302.08333333
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 picogram per teaspoon equals 2.028841e-10 base units, so dividing one by the other gives the direct microgram per gallon-to-picogram per teaspoon factor of 1302.08333333.
Simple example
1 ug/gal × 1302.083333 = 1,302.083333 pg/tsp
1 microgram per gallon = 1,302.083333 picograms per teaspoon.
Real-world example
1,000 ug/gal × 1302.083333 = 1,302,083.333 pg/tsp
1,000 micrograms per gallon = 1,302,083.333 picograms per teaspoon.
Conversion table
| Microgram per Gallon (ug/gal) | Picogram per Teaspoon (pg/tsp) |
|---|---|
| 0.1 ug/gal | 130.2083333 pg/tsp |
| 1 ug/gal | 1,302.083333 pg/tsp |
| 10 ug/gal | 13,020.83333 pg/tsp |
| 100 ug/gal | 130,208.3333 pg/tsp |
| 1,000 ug/gal | 1,302,083.333 pg/tsp |
| 10,000 ug/gal | 13,020,833.33 pg/tsp |
Reverse conversion: Picogram per Teaspoon to Microgram per Gallon
1 pg/tsp × 0.000768 = 0.000768 ug/gal
1 picogram per teaspoon = 0.000768 micrograms per gallon.
micrograms per gallon = picograms per teaspoon × 0.000768
For a page dedicated to this direction, see Picogram per Teaspoon to Microgram per Gallon.
Understanding the Microgram per Gallon (ug/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 microgram per gallon?
1 microgram per gallon equals 1,302.083333 picograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per gallon to picogram per teaspoon?
Multiply the microgram per gallon value by 1302.083333. The converter above does this instantly to whatever precision you set.
How do I convert picogram per teaspoon back to microgram per gallon?
Use the reverse factor: 1 picogram per teaspoon equals 0.000768 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 picogram per teaspoon?
Picogram per Teaspoon (pg/tsp) is a unit of density.
Is the microgram per gallon to picogram per teaspoon conversion exact?
Yes. Both microgram per gallon and picogram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 1302.083333 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.