Mass per volume density.
Grams per Imperial gallon to Milligrams per Gallon Converter — g/imp gal to mg/gal
Convert Gram per Imperial gallon (g/imp gal) to Milligram per Gallon (mg/gal) using the exact conversion factor (1 gram per imperial gallon = 832.6741846 milligram per gallon). See the formula, worked examples, and conversion table.
Grams per Imperial gallon to Milligrams 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 0.2199692483 / 0.0002641720524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Imperial gallon to Milligrams per Gallon
Gram per Imperial gallon and Milligram 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
milligrams per gallon = grams per imperial gallon × 832.674184629
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per imperial gallon equals 0.219969248299 base units, and 1 milligram per gallon equals 0.000264172052358 base units, so dividing one by the other gives the direct gram per imperial gallon-to-milligram per gallon factor of 832.674184629.
Simple example
1 g/imp gal × 832.6741846 = 832.6741846 mg/gal
1 gram per imperial gallon = 832.6741846 milligrams per gallon.
Real-world example
1,000 g/imp gal × 832.6741846 = 832,674.1846 mg/gal
1,000 grams per imperial gallon = 832,674.1846 milligrams per gallon.
Conversion table
| Gram per Imperial gallon (g/imp gal) | Milligram per Gallon (mg/gal) |
|---|---|
| 0.1 g/imp gal | 83.26741846 mg/gal |
| 1 g/imp gal | 832.6741846 mg/gal |
| 10 g/imp gal | 8,326.741846 mg/gal |
| 100 g/imp gal | 83,267.41846 mg/gal |
| 1,000 g/imp gal | 832,674.1846 mg/gal |
| 10,000 g/imp gal | 8,326,741.846 mg/gal |
Reverse conversion: Milligram per Gallon to Gram per Imperial gallon
832.6741846 mg/gal × 0.001200949926 = 1 g/imp gal
832.6741846 milligrams per gallon = 1 grams per imperial gallon.
grams per imperial gallon = milligrams per gallon × 0.0012009499255
For a page dedicated to this direction, see Milligram per Gallon to Gram per Imperial gallon.
Understanding the Gram per Imperial gallon (g/imp gal)
Mass per volume density.
Understanding the Milligram per Gallon (mg/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per gallon are in 1 gram per imperial gallon?
1 gram per imperial gallon equals 832.6741846 milligrams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert gram per imperial gallon to milligram per gallon?
Multiply the gram per imperial gallon value by 832.6741846. The converter above does this instantly to whatever precision you set.
How do I convert milligram per gallon back to gram per imperial gallon?
Use the reverse factor: 1 milligram per gallon equals 0.0012009499 grams per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per imperial gallon?
Gram per Imperial gallon (g/imp gal) is a unit of density.
What is a milligram per gallon?
Milligram per Gallon (mg/gal) is a unit of density.
Is the gram per imperial gallon to milligram per gallon conversion exact?
Yes. Both gram per imperial gallon and milligram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 832.6741846 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.