Mass per volume density.
Microgram per Cubic inches to Micrograms per Gallon Converter — ug/in3 to ug/gal
Convert Microgram per Cubic inch (ug/in3) to Microgram per Gallon (ug/gal) using the exact conversion factor (1 microgram per cubic inch = 231 microgram per gallon). See the formula, worked examples, and conversion table.
Microgram per Cubic inches 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 6.10237441e-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 Microgram per Cubic inches to Micrograms per Gallon
Microgram per Cubic inch 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 = microgram per cubic inches × 231
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per cubic inch equals 0.0000610237440947 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 inch-to-microgram per gallon factor of 231.
Simple example
1 ug/in3 × 231 = 231 ug/gal
1 microgram per cubic inch = 231 micrograms per gallon.
Real-world example
1,000 ug/in3 × 231 = 231,000 ug/gal
1,000 microgram per cubic inches = 231,000 micrograms per gallon.
Conversion table
| Microgram per Cubic inch (ug/in3) | Microgram per Gallon (ug/gal) |
|---|---|
| 0.1 ug/in3 | 23.1 ug/gal |
| 1 ug/in3 | 231 ug/gal |
| 10 ug/in3 | 2,310 ug/gal |
| 100 ug/in3 | 23,100 ug/gal |
| 1,000 ug/in3 | 231,000 ug/gal |
| 10,000 ug/in3 | 2,310,000 ug/gal |
Reverse conversion: Microgram per Gallon to Microgram per Cubic inch
231 ug/gal × 0.004329004329 = 1 ug/in3
231 micrograms per gallon = 1 microgram per cubic inch.
microgram per cubic inches = micrograms per gallon × 0.004329004329
For a page dedicated to this direction, see Microgram per Gallon to Microgram per Cubic inch.
Understanding the Microgram per Cubic inch (ug/in3)
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 inch?
1 microgram per cubic inch equals 231 micrograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per cubic inch to microgram per gallon?
Multiply the microgram per cubic inch value by 231. The converter above does this instantly to whatever precision you set.
How do I convert microgram per gallon back to microgram per cubic inch?
Use the reverse factor: 1 microgram per gallon equals 0.0043290043 microgram per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per cubic inch?
Microgram per Cubic inch (ug/in3) 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 inch to microgram per gallon conversion exact?
Yes. Both microgram per cubic inch and microgram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 231 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.