Mass per volume density.
Micrograms per Quart to Nanograms per Liter Converter — ug/qt to ng/L
Convert Microgram per Quart (ug/qt) to Nanogram per Liter (ng/L) using the exact conversion factor (1 microgram per quart = 1,056.688209 nanogram per liter). See the formula, worked examples, and conversion table.
Micrograms per Quart to Nanograms 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 1.05668821e-6 / 1e-9.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Quart to Nanograms per Liter
Microgram per Quart and Nanogram 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
nanograms per liter = micrograms per quart × 1056.68820943
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per quart equals 0.00000105668820943 base units, and 1 nanogram per liter equals 1e-9 base units, so dividing one by the other gives the direct microgram per quart-to-nanogram per liter factor of 1056.68820943.
Simple example
1 ug/qt × 1056.688209 = 1,056.688209 ng/L
1 microgram per quart = 1,056.688209 nanograms per liter.
Real-world example
1,000 ug/qt × 1056.688209 = 1,056,688.209 ng/L
1,000 micrograms per quart = 1,056,688.209 nanograms per liter.
Conversion table
| Microgram per Quart (ug/qt) | Nanogram per Liter (ng/L) |
|---|---|
| 0.1 ug/qt | 105.6688209 ng/L |
| 1 ug/qt | 1,056.688209 ng/L |
| 10 ug/qt | 10,566.88209 ng/L |
| 100 ug/qt | 105,668.8209 ng/L |
| 1,000 ug/qt | 1,056,688.209 ng/L |
| 10,000 ug/qt | 10,566,882.09 ng/L |
Reverse conversion: Nanogram per Liter to Microgram per Quart
1 ng/L × 0.000946352946 = 0.0009463529 ug/qt
1 nanogram per liter = 0.0009463529 micrograms per quart.
micrograms per quart = nanograms per liter × 0.000946352946
For a page dedicated to this direction, see Nanogram per Liter to Microgram per Quart.
Understanding the Microgram per Quart (ug/qt)
Mass per volume density.
Understanding the Nanogram per Liter (ng/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nanograms per liter are in 1 microgram per quart?
1 microgram per quart equals 1,056.688209 nanograms per liter, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per quart to nanogram per liter?
Multiply the microgram per quart value by 1056.688209. The converter above does this instantly to whatever precision you set.
How do I convert nanogram per liter back to microgram per quart?
Use the reverse factor: 1 nanogram per liter equals 0.0009463529 micrograms per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per quart?
Microgram per Quart (ug/qt) is a unit of density.
What is a nanogram per liter?
Nanogram per Liter (ng/L) is a unit of density.
Is the microgram per quart to nanogram per liter conversion exact?
Yes. Both microgram per quart and nanogram per liter are defined by fixed standards rather than physical artifacts, so the factor of 1056.688209 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.