Mass per volume density.
Carats per Quart to Micrograms per Gallon Converter — ct/qt to ug/gal
Convert Carat per Quart (ct/qt) to Microgram per Gallon (ug/gal) using the exact conversion factor (1 carat per quart = 800,000 microgram per gallon). See the formula, worked examples, and conversion table.
Carats per Quart to Micrograms 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 0.2113376419 / 2.64172052e-7.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Quart to Micrograms per Gallon
Carat per Quart and Microgram 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
micrograms per gallon = carats per quart × 800000
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per quart equals 0.211337641887 base units, and 1 microgram per gallon equals 2.641721e-7 base units, so dividing one by the other gives the direct carat per quart-to-microgram per gallon factor of 800000.
Simple example
1 ct/qt × 800000 = 800,000 ug/gal
1 carat per quart = 800,000 micrograms per gallon.
Real-world example
1,000 ct/qt × 800000 = 800,000,000 ug/gal
1,000 carats per quart = 800,000,000 micrograms per gallon.
Conversion table
| Carat per Quart (ct/qt) | Microgram per Gallon (ug/gal) |
|---|---|
| 0.1 ct/qt | 80,000 ug/gal |
| 1 ct/qt | 800,000 ug/gal |
| 10 ct/qt | 8,000,000 ug/gal |
| 100 ct/qt | 80,000,000 ug/gal |
| 1,000 ct/qt | 800,000,000 ug/gal |
| 10,000 ct/qt | 8,000,000,000 ug/gal |
Reverse conversion: Microgram per Gallon to Carat per Quart
1 ug/gal × 0.00000125 = 0.00000125 ct/qt
1 microgram per gallon = 0.00000125 carats per quart.
carats per quart = micrograms per gallon × 0.00000125
For a page dedicated to this direction, see Microgram per Gallon to Carat per Quart.
Understanding the Carat per Quart (ct/qt)
Mass per volume density.
Understanding the Microgram per Gallon (ug/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per gallon are in 1 carat per quart?
1 carat per quart equals 800,000 micrograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert carat per quart to microgram per gallon?
Multiply the carat per quart value by 800000. The converter above does this instantly to whatever precision you set.
How do I convert microgram per gallon back to carat per quart?
Use the reverse factor: 1 microgram per gallon equals 0.00000125 carats per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per quart?
Carat per Quart (ct/qt) is a unit of density.
What is a microgram per gallon?
Microgram per Gallon (ug/gal) is a unit of density.
Is the carat per quart to microgram per gallon conversion exact?
Yes. Both carat per quart and microgram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 800000 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.