Mass per volume density.
Micrograms per Gallon to Centigrams per Liter Converter — ug/gal to cg/L
Convert Microgram per Gallon (ug/gal) to Centigram per Liter (cg/L) using the exact conversion factor (1 microgram per gallon = 0.0000264172 centigram per liter). See the formula, worked examples, and conversion table.
Micrograms per Gallon to Centigrams 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 / 0.01.
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 Centigrams per Liter
Microgram per Gallon and Centigram 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
centigrams per liter = micrograms per gallon × 0.0000264172052358
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 centigram per liter equals 0.01 base units, so dividing one by the other gives the direct microgram per gallon-to-centigram per liter factor of 0.0000264172052358.
Simple example
1 ug/gal × 0.00002641720524 = 0.0000264172 cg/L
1 microgram per gallon = 0.0000264172 centigrams per liter.
Real-world example
1,000 ug/gal × 0.00002641720524 = 0.0264172052 cg/L
1,000 micrograms per gallon = 0.0264172052 centigrams per liter.
Conversion table
| Microgram per Gallon (ug/gal) | Centigram per Liter (cg/L) |
|---|---|
| 0.1 ug/gal | 0.0000026417 cg/L |
| 1 ug/gal | 0.0000264172 cg/L |
| 10 ug/gal | 0.0002641721 cg/L |
| 100 ug/gal | 0.0026417205 cg/L |
| 1,000 ug/gal | 0.0264172052 cg/L |
| 10,000 ug/gal | 0.2641720524 cg/L |
Reverse conversion: Centigram per Liter to Microgram per Gallon
0.0000264172 cg/L × 37854.11784 = 0.9999998018 ug/gal
0.0000264172 centigrams per liter = 0.9999998018 micrograms per gallon.
micrograms per gallon = centigrams per liter × 37854.11784
For a page dedicated to this direction, see Centigram per Liter to Microgram per Gallon.
Understanding the Microgram per Gallon (ug/gal)
Mass per volume density.
Understanding the Centigram per Liter (cg/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many centigrams per liter are in 1 microgram per gallon?
1 microgram per gallon equals 0.0000264172 centigrams per liter, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per gallon to centigram per liter?
Multiply the microgram per gallon value by 0.00002641720524. The converter above does this instantly to whatever precision you set.
How do I convert centigram per liter back to microgram per gallon?
Use the reverse factor: 1 centigram per liter equals 37,854.11784 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 centigram per liter?
Centigram per Liter (cg/L) is a unit of density.
Is the microgram per gallon to centigram per liter conversion exact?
Yes. Both microgram per gallon and centigram per liter are defined by fixed standards rather than physical artifacts, so the factor of 0.00002641720524 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.