Mass per volume density.
Milligrams per Imperial gallon to Kilograms per Gallon Converter — mg/imp gal to kg/gal
Convert Milligram per Imperial gallon (mg/imp gal) to Kilogram per Gallon (kg/gal) using the exact conversion factor (1 milligram per imperial gallon = 8.326742e-7 kilogram per gallon). See the formula, worked examples, conversion table, and common uses.
Milligrams per Imperial gallon to Kilograms 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 0.0002199692483 / 264.1720524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Imperial gallon to Kilograms per Gallon
Milligram per Imperial gallon and Kilogram 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
kilograms per gallon = milligrams per imperial gallon × 8.326742e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per imperial gallon equals 0.000219969248299 base units, and 1 kilogram per gallon equals 264.172052358 base units, so dividing one by the other gives the direct milligram per imperial gallon-to-kilogram per gallon factor of 8.326742e-7.
Simple example
1 mg/imp gal × 8.326742e-7 = 8.326742e-7 kg/gal
1 milligram per imperial gallon = 8.326742e-7 kilograms per gallon.
Real-world example
1,000 mg/imp gal × 8.326742e-7 = 0.0008326742 kg/gal
1,000 milligrams per imperial gallon = 0.0008326742 kilograms per gallon.
Conversion table
| Milligram per Imperial gallon (mg/imp gal) | Kilogram per Gallon (kg/gal) |
|---|---|
| 0.1 mg/imp gal | 8.326742e-8 kg/gal |
| 1 mg/imp gal | 8.326742e-7 kg/gal |
| 10 mg/imp gal | 0.0000083267 kg/gal |
| 100 mg/imp gal | 0.0000832674 kg/gal |
| 1,000 mg/imp gal | 0.0008326742 kg/gal |
| 10,000 mg/imp gal | 0.0083267418 kg/gal |
Reverse conversion: Kilogram per Gallon to Milligram per Imperial gallon
8.326742e-7 kg/gal × 1200949.926 = 1.000000018 mg/imp gal
8.326742e-7 kilograms per gallon = 1.000000018 milligrams per imperial gallon.
milligrams per imperial gallon = kilograms per gallon × 1200949.9255
For a page dedicated to this direction, see Kilogram per Gallon to Milligram per Imperial gallon.
Understanding the Milligram per Imperial gallon (mg/imp gal)
Mass per volume density.
Understanding the Kilogram per Gallon
Kilogram per Gallon (kg/gal) measures density. A mathematically valid way to express liquid density in kilograms per US gallon. It is classified as a mixed metric/US customary density unit.
Uses of the Kilogram per Gallon today
- Can be used to express liquid density such as fuel or industrial liquids in kilograms per gallon — in practice, kilograms per liter (metric) and pounds per gallon (US customary) are the specific pairings more commonly seen in fuel and liquid-density references
Kilogram per Gallon — sources
- Fuel and petroleum liquid-density references — Liquid density figures for fuels are typically reported in kg/L, kg/m³, or lb/gal rather than kg/gal.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per gallon are in 1 milligram per imperial gallon?
1 milligram per imperial gallon equals 8.326742e-7 kilograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per imperial gallon to kilogram per gallon?
Multiply the milligram per imperial gallon value by 8.326742e-7. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per gallon back to milligram per imperial gallon?
Use the reverse factor: 1 kilogram per gallon equals 1,200,949.926 milligrams per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per imperial gallon?
Milligram per Imperial gallon (mg/imp gal) is a unit of density.
What is a kilogram per gallon?
Kilogram per Gallon (kg/gal) measures density. A mathematically valid way to express liquid density in kilograms per US gallon. It is classified as a mixed metric/US customary density unit.
Is the milligram per imperial gallon to kilogram per gallon conversion exact?
Yes. Both milligram per imperial gallon and kilogram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 8.326742e-7 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.