Mass per volume density.
Milligrams per Cubic foot to Micrograms per Gallon Converter — mg/ft3 to ug/gal
Convert Milligram per Cubic foot (mg/ft3) to Microgram per Gallon (ug/gal) using the exact conversion factor (1 milligram per cubic foot = 133.6805556 microgram per gallon). See the formula, worked examples, and conversion table.
Milligrams per Cubic foot 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 3.53146667e-5 / 2.64172052e-7.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Cubic foot to Micrograms per Gallon
Milligram per Cubic foot 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 = milligrams per cubic foot × 133.680555556
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per cubic foot equals 0.0000353146667215 base units, and 1 microgram per gallon equals 2.641721e-7 base units, so dividing one by the other gives the direct milligram per cubic foot-to-microgram per gallon factor of 133.680555556.
Simple example
1 mg/ft3 × 133.6805556 = 133.6805556 ug/gal
1 milligram per cubic foot = 133.6805556 micrograms per gallon.
Real-world example
1,000 mg/ft3 × 133.6805556 = 133,680.5556 ug/gal
1,000 milligrams per cubic foot = 133,680.5556 micrograms per gallon.
Conversion table
| Milligram per Cubic foot (mg/ft3) | Microgram per Gallon (ug/gal) |
|---|---|
| 0.1 mg/ft3 | 13.36805556 ug/gal |
| 1 mg/ft3 | 133.6805556 ug/gal |
| 10 mg/ft3 | 1,336.805556 ug/gal |
| 100 mg/ft3 | 13,368.05556 ug/gal |
| 1,000 mg/ft3 | 133,680.5556 ug/gal |
| 10,000 mg/ft3 | 1,336,805.556 ug/gal |
Reverse conversion: Microgram per Gallon to Milligram per Cubic foot
133.6805556 ug/gal × 0.007480519481 = 1 mg/ft3
133.6805556 micrograms per gallon = 1 milligrams per cubic foot.
milligrams per cubic foot = micrograms per gallon × 0.00748051948052
For a page dedicated to this direction, see Microgram per Gallon to Milligram per Cubic foot.
Understanding the Milligram per Cubic foot (mg/ft3)
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 milligram per cubic foot?
1 milligram per cubic foot equals 133.6805556 micrograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per cubic foot to microgram per gallon?
Multiply the milligram per cubic foot value by 133.6805556. The converter above does this instantly to whatever precision you set.
How do I convert microgram per gallon back to milligram per cubic foot?
Use the reverse factor: 1 microgram per gallon equals 0.0074805195 milligrams per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per cubic foot?
Milligram per Cubic foot (mg/ft3) is a unit of density.
What is a microgram per gallon?
Microgram per Gallon (ug/gal) is a unit of density.
Is the milligram per cubic foot to microgram per gallon conversion exact?
Yes. Both milligram per cubic foot and microgram 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.