Mass per volume density.
Micrograms per Gallon to Drams per Liter Converter — ug/gal to dr/L
Convert Microgram per Gallon (ug/gal) to Dram per Liter (dr/L) using the exact conversion factor (1 microgram per gallon = 1.490943e-7 dram per liter). See the formula, worked examples, and conversion table.
Micrograms per Gallon to Drams 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 / 1.771845195.
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 Drams per Liter
Microgram per Gallon and Dram 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
drams per liter = micrograms per gallon × 1.490943e-7
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 dram per liter equals 1.77184519531 base units, so dividing one by the other gives the direct microgram per gallon-to-dram per liter factor of 1.490943e-7.
Simple example
1 ug/gal × 1.490943e-7 = 1.490943e-7 dr/L
1 microgram per gallon = 1.490943e-7 drams per liter.
Real-world example
1,000 ug/gal × 1.490943e-7 = 0.0001490943 dr/L
1,000 micrograms per gallon = 0.0001490943 drams per liter.
Conversion table
| Microgram per Gallon (ug/gal) | Dram per Liter (dr/L) |
|---|---|
| 0.1 ug/gal | 1.490943e-8 dr/L |
| 1 ug/gal | 1.490943e-7 dr/L |
| 10 ug/gal | 0.0000014909 dr/L |
| 100 ug/gal | 0.0000149094 dr/L |
| 1,000 ug/gal | 0.0001490943 dr/L |
| 10,000 ug/gal | 0.0014909432 dr/L |
Reverse conversion: Dram per Liter to Microgram per Gallon
1.490943e-7 dr/L × 6707163.682 = 0.9999998741 ug/gal
1.490943e-7 drams per liter = 0.9999998741 micrograms per gallon.
micrograms per gallon = drams per liter × 6707163.68176
For a page dedicated to this direction, see Dram per Liter to Microgram per Gallon.
Understanding the Microgram per Gallon (ug/gal)
Mass per volume density.
Understanding the Dram per Liter (dr/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per liter are in 1 microgram per gallon?
1 microgram per gallon equals 1.490943e-7 drams per liter, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per gallon to dram per liter?
Multiply the microgram per gallon value by 1.490943e-7. The converter above does this instantly to whatever precision you set.
How do I convert dram per liter back to microgram per gallon?
Use the reverse factor: 1 dram per liter equals 6,707,163.682 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 dram per liter?
Dram per Liter (dr/L) is a unit of density.
Is the microgram per gallon to dram per liter conversion exact?
Yes. Both microgram per gallon and dram per liter are defined by fixed standards rather than physical artifacts, so the factor of 1.490943e-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.