Mass per volume density.
Nanograms per Cubic foot to Picograms per Gallon Converter — ng/ft3 to pg/gal
Convert Nanogram per Cubic foot (ng/ft3) to Picogram per Gallon (pg/gal) using the exact conversion factor (1 nanogram per cubic foot = 133.6805556 picogram per gallon). See the formula, worked examples, and conversion table.
Nanograms per Cubic foot to Picograms 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 3.53146667e-11 / 2.64172052e-13.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nanograms per Cubic foot to Picograms per Gallon
Nanogram per Cubic foot and Picogram 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
picograms per gallon = nanograms per cubic foot × 133.680555556
This factor comes from each unit's defined relationship to the category's base unit: 1 nanogram per cubic foot equals 3.531467e-11 base units, and 1 picogram per gallon equals 2.641721e-13 base units, so dividing one by the other gives the direct nanogram per cubic foot-to-picogram per gallon factor of 133.680555556.
Simple example
1 ng/ft3 × 133.6805556 = 133.6805556 pg/gal
1 nanogram per cubic foot = 133.6805556 picograms per gallon.
Real-world example
1,000 ng/ft3 × 133.6805556 = 133,680.5556 pg/gal
1,000 nanograms per cubic foot = 133,680.5556 picograms per gallon.
Conversion table
| Nanogram per Cubic foot (ng/ft3) | Picogram per Gallon (pg/gal) |
|---|---|
| 0.1 ng/ft3 | 13.36805556 pg/gal |
| 1 ng/ft3 | 133.6805556 pg/gal |
| 10 ng/ft3 | 1,336.805556 pg/gal |
| 100 ng/ft3 | 13,368.05556 pg/gal |
| 1,000 ng/ft3 | 133,680.5556 pg/gal |
| 10,000 ng/ft3 | 1,336,805.556 pg/gal |
Reverse conversion: Picogram per Gallon to Nanogram per Cubic foot
133.6805556 pg/gal × 0.007480519481 = 1 ng/ft3
133.6805556 picograms per gallon = 1 nanograms per cubic foot.
nanograms per cubic foot = picograms per gallon × 0.00748051948052
For a page dedicated to this direction, see Picogram per Gallon to Nanogram per Cubic foot.
Understanding the Nanogram per Cubic foot (ng/ft3)
Mass per volume density.
Understanding the Picogram per Gallon (pg/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picograms per gallon are in 1 nanogram per cubic foot?
1 nanogram per cubic foot equals 133.6805556 picograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert nanogram per cubic foot to picogram per gallon?
Multiply the nanogram per cubic foot value by 133.6805556. The converter above does this instantly to whatever precision you set.
How do I convert picogram per gallon back to nanogram per cubic foot?
Use the reverse factor: 1 picogram per gallon equals 0.0074805195 nanograms per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanogram per cubic foot?
Nanogram per Cubic foot (ng/ft3) is a unit of density.
What is a picogram per gallon?
Picogram per Gallon (pg/gal) is a unit of density.
Is the nanogram per cubic foot to picogram per gallon conversion exact?
Yes. Both nanogram per cubic foot and picogram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 133.6805556 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.