Mass per volume density.
Micrograms per Cubic Meter to Micrograms per Gallon Converter — ug/m3 to ug/gal
Convert Microgram per Cubic Meter (ug/m3) to Microgram per Gallon (ug/gal) using the exact conversion factor (1 microgram per cubic meter = 0.0037854118 microgram per gallon). See the formula, worked examples, and conversion table.
Micrograms per Cubic Meter 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 1e-9 / 2.64172052e-7.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Cubic Meter to Micrograms per Gallon
Microgram per Cubic Meter 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 = micrograms per cubic meter × 0.003785411784
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per cubic meter equals 1e-9 base units, and 1 microgram per gallon equals 2.641721e-7 base units, so dividing one by the other gives the direct microgram per cubic meter-to-microgram per gallon factor of 0.003785411784.
Simple example
1 ug/m3 × 0.003785411784 = 0.0037854118 ug/gal
1 microgram per cubic meter = 0.0037854118 micrograms per gallon.
Real-world example
1,000 ug/m3 × 0.003785411784 = 3.785411784 ug/gal
1,000 micrograms per cubic meter = 3.785411784 micrograms per gallon.
Conversion table
| Microgram per Cubic Meter (ug/m3) | Microgram per Gallon (ug/gal) |
|---|---|
| 0.1 ug/m3 | 0.0003785412 ug/gal |
| 1 ug/m3 | 0.0037854118 ug/gal |
| 10 ug/m3 | 0.0378541178 ug/gal |
| 100 ug/m3 | 0.3785411784 ug/gal |
| 1,000 ug/m3 | 3.785411784 ug/gal |
| 10,000 ug/m3 | 37.85411784 ug/gal |
Reverse conversion: Microgram per Gallon to Microgram per Cubic Meter
0.0037854118 ug/gal × 264.1720524 = 1.000000004 ug/m3
0.0037854118 micrograms per gallon = 1.000000004 micrograms per cubic meter.
micrograms per cubic meter = micrograms per gallon × 264.172052358
For a page dedicated to this direction, see Microgram per Gallon to Microgram per Cubic Meter.
Understanding the Microgram per Cubic Meter (ug/m3)
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 microgram per cubic meter?
1 microgram per cubic meter equals 0.0037854118 micrograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per cubic meter to microgram per gallon?
Multiply the microgram per cubic meter value by 0.003785411784. The converter above does this instantly to whatever precision you set.
How do I convert microgram per gallon back to microgram per cubic meter?
Use the reverse factor: 1 microgram per gallon equals 264.1720524 micrograms per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per cubic meter?
Microgram per Cubic Meter (ug/m3) is a unit of density.
What is a microgram per gallon?
Microgram per Gallon (ug/gal) is a unit of density.
Is the microgram per cubic meter to microgram per gallon conversion exact?
Yes. Both microgram per cubic meter and microgram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.003785411784 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.