Mass per volume density.
Decigrams per Imperial gallon to Megagrams per Liter Converter — dg/imp gal to Mg/L
Convert Decigram per Imperial gallon (dg/imp gal) to Megagram per Liter (Mg/L) using the exact conversion factor (1 decigram per imperial gallon = 2.199692e-8 megagram per liter). See the formula, worked examples, and conversion table.
Decigrams per Imperial gallon to Megagrams per Liter 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 0.02199692483 / 1e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Decigrams per Imperial gallon to Megagrams per Liter
Decigram per Imperial gallon and Megagram per Liter 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
megagrams per liter = decigrams per imperial gallon × 2.199692e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 decigram per imperial gallon equals 0.0219969248299 base units, and 1 megagram per liter equals 1000000 base units, so dividing one by the other gives the direct decigram per imperial gallon-to-megagram per liter factor of 2.199692e-8.
Simple example
1 dg/imp gal × 2.199692e-8 = 2.199692e-8 Mg/L
1 decigram per imperial gallon = 2.199692e-8 megagrams per liter.
Real-world example
1,000 dg/imp gal × 2.199692e-8 = 0.0000219969 Mg/L
1,000 decigrams per imperial gallon = 0.0000219969 megagrams per liter.
Conversion table
| Decigram per Imperial gallon (dg/imp gal) | Megagram per Liter (Mg/L) |
|---|---|
| 0.1 dg/imp gal | 2.199692e-9 Mg/L |
| 1 dg/imp gal | 2.199692e-8 Mg/L |
| 10 dg/imp gal | 2.199692e-7 Mg/L |
| 100 dg/imp gal | 0.0000021997 Mg/L |
| 1,000 dg/imp gal | 0.0000219969 Mg/L |
| 10,000 dg/imp gal | 0.0002199692 Mg/L |
Reverse conversion: Megagram per Liter to Decigram per Imperial gallon
2.199692e-8 Mg/L × 45460900 = 0.9999997804 dg/imp gal
2.199692e-8 megagrams per liter = 0.9999997804 decigrams per imperial gallon.
decigrams per imperial gallon = megagrams per liter × 45460900
For a page dedicated to this direction, see Megagram per Liter to Decigram per Imperial gallon.
Understanding the Decigram per Imperial gallon (dg/imp gal)
Mass per volume density.
Understanding the Megagram per Liter (Mg/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many megagrams per liter are in 1 decigram per imperial gallon?
1 decigram per imperial gallon equals 2.199692e-8 megagrams per liter, using the exact defined conversion factor rather than an estimate.
How do I convert decigram per imperial gallon to megagram per liter?
Multiply the decigram per imperial gallon value by 2.199692e-8. The converter above does this instantly to whatever precision you set.
How do I convert megagram per liter back to decigram per imperial gallon?
Use the reverse factor: 1 megagram per liter equals 45,460,900 decigrams per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a decigram per imperial gallon?
Decigram per Imperial gallon (dg/imp gal) is a unit of density.
What is a megagram per liter?
Megagram per Liter (Mg/L) is a unit of density.
Is the decigram per imperial gallon to megagram per liter conversion exact?
Yes. Both decigram per imperial gallon and megagram per liter are defined by fixed standards rather than physical artifacts, so the factor of 2.199692e-8 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.