Mass per volume density.
Decigrams per Gallon to Milligrams per Gallon Converter — dg/gal to mg/gal
Convert Decigram per Gallon (dg/gal) to Milligram per Gallon (mg/gal) using the exact conversion factor (1 decigram per gallon = 100 milligram per gallon). See the formula, worked examples, and conversion table.
Decigrams per 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 0.02641720524 / 0.0002641720524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Decigrams per Gallon to Milligrams per Gallon
Decigram per 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 = decigrams per gallon × 100
This factor comes from each unit's defined relationship to the category's base unit: 1 decigram per gallon equals 0.0264172052358 base units, and 1 milligram per gallon equals 0.000264172052358 base units, so dividing one by the other gives the direct decigram per gallon-to-milligram per gallon factor of 100.
Simple example
1 dg/gal × 100 = 100 mg/gal
1 decigram per gallon = 100 milligrams per gallon.
Real-world example
1,000 dg/gal × 100 = 100,000 mg/gal
1,000 decigrams per gallon = 100,000 milligrams per gallon.
Conversion table
| Decigram per Gallon (dg/gal) | Milligram per Gallon (mg/gal) |
|---|---|
| 0.1 dg/gal | 10 mg/gal |
| 1 dg/gal | 100 mg/gal |
| 10 dg/gal | 1,000 mg/gal |
| 100 dg/gal | 10,000 mg/gal |
| 1,000 dg/gal | 100,000 mg/gal |
| 10,000 dg/gal | 1,000,000 mg/gal |
Reverse conversion: Milligram per Gallon to Decigram per Gallon
100 mg/gal × 0.01 = 1 dg/gal
100 milligrams per gallon = 1 decigrams per gallon.
decigrams per gallon = milligrams per gallon × 0.01
For a page dedicated to this direction, see Milligram per Gallon to Decigram per Gallon.
Understanding the Decigram per Gallon (dg/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 decigram per gallon?
1 decigram per gallon equals 100 milligrams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert decigram per gallon to milligram per gallon?
Multiply the decigram per gallon value by 100. The converter above does this instantly to whatever precision you set.
How do I convert milligram per gallon back to decigram per gallon?
Use the reverse factor: 1 milligram per gallon equals 0.01 decigrams per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a decigram per gallon?
Decigram per Gallon (dg/gal) is a unit of density.
What is a milligram per gallon?
Milligram per Gallon (mg/gal) is a unit of density.
Is the decigram per gallon to milligram per gallon conversion exact?
Yes. Both decigram per gallon and milligram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 100 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.