Mass per volume density.
Nanograms per Quart to Micrograms per Fluid ounce Converter — ng/qt to ug/fl oz
Convert Nanogram per Quart (ng/qt) to Microgram per Fluid ounce (ug/fl oz) using the exact conversion factor (1 nanogram per quart = 0.00003125 microgram per fluid ounce). See the formula, worked examples, and conversion table.
Nanograms per Quart to Micrograms per Fluid ounce 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-9 / 3.38140227e-5.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nanograms per Quart to Micrograms per Fluid ounce
Nanogram per Quart and Microgram per Fluid ounce 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 fluid ounce = nanograms per quart × 0.00003125
This factor comes from each unit's defined relationship to the category's base unit: 1 nanogram per quart equals 1.056688e-9 base units, and 1 microgram per fluid ounce equals 0.0000338140227018 base units, so dividing one by the other gives the direct nanogram per quart-to-microgram per fluid ounce factor of 0.00003125.
Simple example
1 ng/qt × 0.00003125 = 0.00003125 ug/fl oz
1 nanogram per quart = 0.00003125 micrograms per fluid ounce.
Real-world example
1,000 ng/qt × 0.00003125 = 0.03125 ug/fl oz
1,000 nanograms per quart = 0.03125 micrograms per fluid ounce.
Conversion table
| Nanogram per Quart (ng/qt) | Microgram per Fluid ounce (ug/fl oz) |
|---|---|
| 0.1 ng/qt | 0.000003125 ug/fl oz |
| 1 ng/qt | 0.00003125 ug/fl oz |
| 10 ng/qt | 0.0003125 ug/fl oz |
| 100 ng/qt | 0.003125 ug/fl oz |
| 1,000 ng/qt | 0.03125 ug/fl oz |
| 10,000 ng/qt | 0.3125 ug/fl oz |
Reverse conversion: Microgram per Fluid ounce to Nanogram per Quart
0.00003125 ug/fl oz × 32000 = 1 ng/qt
0.00003125 micrograms per fluid ounce = 1 nanogram per quart.
nanograms per quart = micrograms per fluid ounce × 32000
For a page dedicated to this direction, see Microgram per Fluid ounce to Nanogram per Quart.
Understanding the Nanogram per Quart (ng/qt)
Mass per volume density.
Understanding the Microgram per Fluid ounce (ug/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per fluid ounce are in 1 nanogram per quart?
1 nanogram per quart equals 0.00003125 micrograms per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert nanogram per quart to microgram per fluid ounce?
Multiply the nanogram per quart value by 0.00003125. The converter above does this instantly to whatever precision you set.
How do I convert microgram per fluid ounce back to nanogram per quart?
Use the reverse factor: 1 microgram per fluid ounce equals 32,000 nanograms per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanogram per quart?
Nanogram per Quart (ng/qt) is a unit of density.
What is a microgram per fluid ounce?
Microgram per Fluid ounce (ug/fl oz) is a unit of density.
Is the nanogram per quart to microgram per fluid ounce conversion exact?
Yes. Both nanogram per quart and microgram per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.00003125 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.