Mass per volume density.
Milligrams per Gallon to Micrograms per Imperial gallon Converter — mg/gal to ug/imp gal
Convert Milligram per Gallon (mg/gal) to Microgram per Imperial gallon (ug/imp gal) using the exact conversion factor (1 milligram per gallon = 1,200.949926 microgram per imperial gallon). See the formula, worked examples, and conversion table.
Milligrams per Gallon to Micrograms 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 0.0002641720524 / 2.19969248e-7.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Gallon to Micrograms per Imperial gallon
Milligram per Gallon and Microgram 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
micrograms per imperial gallon = milligrams per gallon × 1200.9499255
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per gallon equals 0.000264172052358 base units, and 1 microgram per imperial gallon equals 2.199692e-7 base units, so dividing one by the other gives the direct milligram per gallon-to-microgram per imperial gallon factor of 1200.9499255.
Simple example
1 mg/gal × 1200.949926 = 1,200.949926 ug/imp gal
1 milligram per gallon = 1,200.949926 micrograms per imperial gallon.
Real-world example
1,000 mg/gal × 1200.949926 = 1,200,949.926 ug/imp gal
1,000 milligrams per gallon = 1,200,949.926 micrograms per imperial gallon.
Conversion table
| Milligram per Gallon (mg/gal) | Microgram per Imperial gallon (ug/imp gal) |
|---|---|
| 0.1 mg/gal | 120.0949926 ug/imp gal |
| 1 mg/gal | 1,200.949926 ug/imp gal |
| 10 mg/gal | 12,009.49926 ug/imp gal |
| 100 mg/gal | 120,094.9926 ug/imp gal |
| 1,000 mg/gal | 1,200,949.926 ug/imp gal |
| 10,000 mg/gal | 12,009,499.26 ug/imp gal |
Reverse conversion: Microgram per Imperial gallon to Milligram per Gallon
1 ug/imp gal × 0.0008326741846 = 0.0008326742 mg/gal
1 microgram per imperial gallon = 0.0008326742 milligrams per gallon.
milligrams per gallon = micrograms per imperial gallon × 0.000832674184629
For a page dedicated to this direction, see Microgram per Imperial gallon to Milligram per Gallon.
Understanding the Milligram per Gallon (mg/gal)
Mass per volume density.
Understanding the Microgram per Imperial gallon (ug/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per imperial gallon are in 1 milligram per gallon?
1 milligram per gallon equals 1,200.949926 micrograms per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per gallon to microgram per imperial gallon?
Multiply the milligram per gallon value by 1200.949926. The converter above does this instantly to whatever precision you set.
How do I convert microgram per imperial gallon back to milligram per gallon?
Use the reverse factor: 1 microgram per imperial gallon equals 0.0008326742 milligrams per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per gallon?
Milligram per Gallon (mg/gal) is a unit of density.
What is a microgram per imperial gallon?
Microgram per Imperial gallon (ug/imp gal) is a unit of density.
Is the milligram per gallon to microgram per imperial gallon conversion exact?
Yes. Both milligram per gallon and microgram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 1200.949926 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.