Mass per volume density.
Micrograms per Gallon to Milligrams per Imperial gallon Converter — ug/gal to mg/imp gal
Convert Microgram per Gallon (ug/gal) to Milligram per Imperial gallon (mg/imp gal) using the exact conversion factor (1 microgram per gallon = 0.0012009499 milligram per imperial gallon). See the formula, worked examples, and conversion table.
Micrograms per Gallon to Milligrams 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 / 0.0002199692483.
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 Milligrams per Imperial gallon
Microgram per Gallon and Milligram 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
milligrams per imperial gallon = micrograms per gallon × 0.0012009499255
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 milligram per imperial gallon equals 0.000219969248299 base units, so dividing one by the other gives the direct microgram per gallon-to-milligram per imperial gallon factor of 0.0012009499255.
Simple example
1 ug/gal × 0.001200949926 = 0.0012009499 mg/imp gal
1 microgram per gallon = 0.0012009499 milligrams per imperial gallon.
Real-world example
1,000 ug/gal × 0.001200949926 = 1.200949926 mg/imp gal
1,000 micrograms per gallon = 1.200949926 milligrams per imperial gallon.
Conversion table
| Microgram per Gallon (ug/gal) | Milligram per Imperial gallon (mg/imp gal) |
|---|---|
| 0.1 ug/gal | 0.000120095 mg/imp gal |
| 1 ug/gal | 0.0012009499 mg/imp gal |
| 10 ug/gal | 0.0120094993 mg/imp gal |
| 100 ug/gal | 0.1200949926 mg/imp gal |
| 1,000 ug/gal | 1.200949926 mg/imp gal |
| 10,000 ug/gal | 12.00949926 mg/imp gal |
Reverse conversion: Milligram per Imperial gallon to Microgram per Gallon
0.0012009499 mg/imp gal × 832.6741846 = 0.9999999788 ug/gal
0.0012009499 milligrams per imperial gallon = 0.9999999788 micrograms per gallon.
micrograms per gallon = milligrams per imperial gallon × 832.674184629
For a page dedicated to this direction, see Milligram per Imperial gallon to Microgram per Gallon.
Understanding the Microgram per Gallon (ug/gal)
Mass per volume density.
Understanding the Milligram per Imperial gallon (mg/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per imperial gallon are in 1 microgram per gallon?
1 microgram per gallon equals 0.0012009499 milligrams per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per gallon to milligram per imperial gallon?
Multiply the microgram per gallon value by 0.001200949926. The converter above does this instantly to whatever precision you set.
How do I convert milligram per imperial gallon back to microgram per gallon?
Use the reverse factor: 1 milligram per imperial gallon equals 832.6741846 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 milligram per imperial gallon?
Milligram per Imperial gallon (mg/imp gal) is a unit of density.
Is the microgram per gallon to milligram per imperial gallon conversion exact?
Yes. Both microgram per gallon and milligram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.001200949926 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.