Mass per volume density.
Micrograms per Gallon to Decagrams per Liter Converter — ug/gal to dag/L
Convert Microgram per Gallon (ug/gal) to Decagram per Liter (dag/L) using the exact conversion factor (1 microgram per gallon = 2.641721e-8 decagram per liter). See the formula, worked examples, and conversion table.
Micrograms per Gallon to Decagrams 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 2.64172052e-7 / 10.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Gallon to Decagrams per Liter
Microgram per Gallon and Decagram 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
decagrams per liter = micrograms per gallon × 2.641721e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per gallon equals 2.641721e-7 base units, and 1 decagram per liter equals 10 base units, so dividing one by the other gives the direct microgram per gallon-to-decagram per liter factor of 2.641721e-8.
Simple example
1 ug/gal × 2.641721e-8 = 2.641721e-8 dag/L
1 microgram per gallon = 2.641721e-8 decagrams per liter.
Real-world example
1,000 ug/gal × 2.641721e-8 = 0.0000264172 dag/L
1,000 micrograms per gallon = 0.0000264172 decagrams per liter.
Conversion table
| Microgram per Gallon (ug/gal) | Decagram per Liter (dag/L) |
|---|---|
| 0.1 ug/gal | 2.641721e-9 dag/L |
| 1 ug/gal | 2.641721e-8 dag/L |
| 10 ug/gal | 2.641721e-7 dag/L |
| 100 ug/gal | 0.0000026417 dag/L |
| 1,000 ug/gal | 0.0000264172 dag/L |
| 10,000 ug/gal | 0.0002641721 dag/L |
Reverse conversion: Decagram per Liter to Microgram per Gallon
2.641721e-8 dag/L × 37854117.84 = 1.00000018 ug/gal
2.641721e-8 decagrams per liter = 1.00000018 micrograms per gallon.
micrograms per gallon = decagrams per liter × 37854117.84
For a page dedicated to this direction, see Decagram per Liter to Microgram per Gallon.
Understanding the Microgram per Gallon (ug/gal)
Mass per volume density.
Understanding the Decagram per Liter (dag/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decagrams per liter are in 1 microgram per gallon?
1 microgram per gallon equals 2.641721e-8 decagrams per liter, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per gallon to decagram per liter?
Multiply the microgram per gallon value by 2.641721e-8. The converter above does this instantly to whatever precision you set.
How do I convert decagram per liter back to microgram per gallon?
Use the reverse factor: 1 decagram per liter equals 37,854,117.84 micrograms per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per gallon?
Microgram per Gallon (ug/gal) is a unit of density.
What is a decagram per liter?
Decagram per Liter (dag/L) is a unit of density.
Is the microgram per gallon to decagram per liter conversion exact?
Yes. Both microgram per gallon and decagram per liter are defined by fixed standards rather than physical artifacts, so the factor of 2.641721e-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.