Mass per volume density.
Grams per Gallon to Picograms per Gallon Converter — g/gal to pg/gal
Convert Gram per Gallon (g/gal) to Picogram per Gallon (pg/gal) using the exact conversion factor (1 gram per gallon = 1,000,000,000,000 picogram per gallon). See the formula, worked examples, and conversion table.
Grams per Gallon to Picograms per Gallon 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 0.2641720524 / 2.64172052e-13.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Gallon to Picograms per Gallon
Gram per Gallon and Picogram per Gallon 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 gallon = grams per gallon × 1000000000000
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per gallon equals 0.264172052358 base units, and 1 picogram per gallon equals 2.641721e-13 base units, so dividing one by the other gives the direct gram per gallon-to-picogram per gallon factor of 1000000000000.
Simple example
1 g/gal × 1000000000000 = 1,000,000,000,000 pg/gal
1 gram per gallon = 1,000,000,000,000 picograms per gallon.
Real-world example
1,000 g/gal × 1000000000000 = 1e+15 pg/gal
1,000 grams per gallon = 1e+15 picograms per gallon.
Conversion table
| Gram per Gallon (g/gal) | Picogram per Gallon (pg/gal) |
|---|---|
| 0.1 g/gal | 100,000,000,000 pg/gal |
| 1 g/gal | 1,000,000,000,000 pg/gal |
| 10 g/gal | 1e+13 pg/gal |
| 100 g/gal | 1e+14 pg/gal |
| 1,000 g/gal | 1e+15 pg/gal |
| 10,000 g/gal | 1e+16 pg/gal |
Reverse conversion: Picogram per Gallon to Gram per Gallon
1 pg/gal × 1e-12 = 1e-12 g/gal
1 picogram per gallon = 1e-12 grams per gallon.
grams per gallon = picograms per gallon × 1e-12
For a page dedicated to this direction, see Picogram per Gallon to Gram per Gallon.
Understanding the Gram per Gallon (g/gal)
Mass per volume density.
Understanding the Picogram per Gallon (pg/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picograms per gallon are in 1 gram per gallon?
1 gram per gallon equals 1,000,000,000,000 picograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert gram per gallon to picogram per gallon?
Multiply the gram per gallon value by 1000000000000. The converter above does this instantly to whatever precision you set.
How do I convert picogram per gallon back to gram per gallon?
Use the reverse factor: 1 picogram per gallon equals 1e-12 grams per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per gallon?
Gram per Gallon (g/gal) is a unit of density.
What is a picogram per gallon?
Picogram per Gallon (pg/gal) is a unit of density.
Is the gram per gallon to picogram per gallon conversion exact?
Yes. Both gram per gallon and picogram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 1000000000000 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.