Mass per volume density.
Picograms per Quart to Nanograms per Liter Converter — pg/qt to ng/L
Convert Picogram per Quart (pg/qt) to Nanogram per Liter (ng/L) using the exact conversion factor (1 picogram per quart = 0.0010566882 nanogram per liter). See the formula, worked examples, and conversion table.
Picograms 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-12 / 1e-9.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Picograms per Quart to Nanograms per Liter
Picogram 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 = picograms per quart × 0.00105668820943
This factor comes from each unit's defined relationship to the category's base unit: 1 picogram per quart equals 1.056688e-12 base units, and 1 nanogram per liter equals 1e-9 base units, so dividing one by the other gives the direct picogram per quart-to-nanogram per liter factor of 0.00105668820943.
Simple example
1 pg/qt × 0.001056688209 = 0.0010566882 ng/L
1 picogram per quart = 0.0010566882 nanograms per liter.
Real-world example
1,000 pg/qt × 0.001056688209 = 1.056688209 ng/L
1,000 picograms per quart = 1.056688209 nanograms per liter.
Conversion table
| Picogram per Quart (pg/qt) | Nanogram per Liter (ng/L) |
|---|---|
| 0.1 pg/qt | 0.0001056688 ng/L |
| 1 pg/qt | 0.0010566882 ng/L |
| 10 pg/qt | 0.0105668821 ng/L |
| 100 pg/qt | 0.1056688209 ng/L |
| 1,000 pg/qt | 1.056688209 ng/L |
| 10,000 pg/qt | 10.56688209 ng/L |
Reverse conversion: Nanogram per Liter to Picogram per Quart
0.0010566882 ng/L × 946.352946 = 0.9999999911 pg/qt
0.0010566882 nanograms per liter = 0.9999999911 picograms per quart.
picograms per quart = nanograms per liter × 946.352946
For a page dedicated to this direction, see Nanogram per Liter to Picogram per Quart.
Understanding the Picogram per Quart (pg/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 picogram per quart?
1 picogram per quart equals 0.0010566882 nanograms per liter, using the exact defined conversion factor rather than an estimate.
How do I convert picogram per quart to nanogram per liter?
Multiply the picogram per quart value by 0.001056688209. The converter above does this instantly to whatever precision you set.
How do I convert nanogram per liter back to picogram per quart?
Use the reverse factor: 1 nanogram per liter equals 946.352946 picograms per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a picogram per quart?
Picogram per Quart (pg/qt) is a unit of density.
What is a nanogram per liter?
Nanogram per Liter (ng/L) is a unit of density.
Is the picogram per quart to nanogram per liter conversion exact?
Yes. Both picogram per quart and nanogram per liter are defined by fixed standards rather than physical artifacts, so the factor of 0.001056688209 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.