Mass per volume density.
Micrograms per Gallon to Picograms per Imperial gallon Converter — ug/gal to pg/imp gal
Convert Microgram per Gallon (ug/gal) to Picogram per Imperial gallon (pg/imp gal) using the exact conversion factor (1 microgram per gallon = 1,200,949.926 picogram per imperial gallon). See the formula, worked examples, and conversion table.
Micrograms per Gallon to Picograms per Imperial 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 2.64172052e-7 / 2.19969248e-13.
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 Imperial gallon
Microgram per Gallon and Picogram per Imperial 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 imperial gallon = micrograms per gallon × 1200949.9255
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 imperial gallon equals 2.199692e-13 base units, so dividing one by the other gives the direct microgram per gallon-to-picogram per imperial gallon factor of 1200949.9255.
Simple example
1 ug/gal × 1200949.926 = 1,200,949.926 pg/imp gal
1 microgram per gallon = 1,200,949.926 picograms per imperial gallon.
Real-world example
1,000 ug/gal × 1200949.926 = 1,200,949,926 pg/imp gal
1,000 micrograms per gallon = 1,200,949,926 picograms per imperial gallon.
Conversion table
| Microgram per Gallon (ug/gal) | Picogram per Imperial gallon (pg/imp gal) |
|---|---|
| 0.1 ug/gal | 120,094.9926 pg/imp gal |
| 1 ug/gal | 1,200,949.926 pg/imp gal |
| 10 ug/gal | 12,009,499.26 pg/imp gal |
| 100 ug/gal | 120,094,992.6 pg/imp gal |
| 1,000 ug/gal | 1,200,949,926 pg/imp gal |
| 10,000 ug/gal | 12,009,499,260 pg/imp gal |
Reverse conversion: Picogram per Imperial gallon to Microgram per Gallon
1 pg/imp gal × 8.326742e-7 = 8.326742e-7 ug/gal
1 picogram per imperial gallon = 8.326742e-7 micrograms per gallon.
micrograms per gallon = picograms per imperial gallon × 8.326742e-7
For a page dedicated to this direction, see Picogram per Imperial gallon to Microgram per Gallon.
Understanding the Microgram per Gallon (ug/gal)
Mass per volume density.
Understanding the Picogram per Imperial gallon (pg/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picograms per imperial gallon are in 1 microgram per gallon?
1 microgram per gallon equals 1,200,949.926 picograms per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per gallon to picogram per imperial gallon?
Multiply the microgram per gallon value by 1200949.926. The converter above does this instantly to whatever precision you set.
How do I convert picogram per imperial gallon back to microgram per gallon?
Use the reverse factor: 1 picogram per imperial gallon equals 8.326742e-7 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 imperial gallon?
Picogram per Imperial gallon (pg/imp gal) is a unit of density.
Is the microgram per gallon to picogram per imperial gallon conversion exact?
Yes. Both microgram per gallon and picogram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 1200949.926 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.