Mass concentration.
Grams per Gallon to Micrograms per Cubic Meter Converter — g/gal to ug/m3
Convert Gram per Gallon (g/gal) to Microgram per Cubic Meter (ug/m3) using the exact conversion factor (1 gram per gallon = 264,172,052.4 microgram per cubic meter). See the formula, worked examples, and conversion table.
Grams per Gallon to Micrograms per Cubic Meter converter
Converter
Chemistry Converter
Convert concentration, molarity, amount, and laboratory scientific units by compatible family.
Context values
Some unit families need one extra value for a physically accurate result.
Mass concentration.
Result = input x 0.2641720524 / 1e-9.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Grams per Gallon to Micrograms per Cubic Meter
Gram per Gallon and Microgram per Cubic Meter both measure mass concentration — how much of a substance is dissolved or dispersed in a given volume — a core calculation for preparing lab solutions, checking water quality against a regulatory limit, or formulating a pharmaceutical dose. Both are mass concentration units.
Formula
micrograms per cubic meter = grams per gallon × 264172052.358
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per gallon equals 0.264172052358 base units, and 1 microgram per cubic meter equals 1e-9 base units, so dividing one by the other gives the direct gram per gallon-to-microgram per cubic meter factor of 264172052.358.
Simple example
1 g/gal × 264172052.4 = 264,172,052.4 ug/m3
1 gram per gallon = 264,172,052.4 micrograms per cubic meter.
Real-world example
100 g/gal × 264172052.4 = 26,417,205,240 ug/m3
100 grams per gallon = 26,417,205,240 micrograms per cubic meter.
Conversion table
| Gram per Gallon (g/gal) | Microgram per Cubic Meter (ug/m3) |
|---|---|
| 0.001 g/gal | 264,172.0524 ug/m3 |
| 0.01 g/gal | 2,641,720.524 ug/m3 |
| 0.1 g/gal | 26,417,205.24 ug/m3 |
| 1 g/gal | 264,172,052.4 ug/m3 |
| 10 g/gal | 2,641,720,524 ug/m3 |
| 100 g/gal | 26,417,205,240 ug/m3 |
Reverse conversion: Microgram per Cubic Meter to Gram per Gallon
1 ug/m3 × 3.785412e-9 = 3.785412e-9 g/gal
1 microgram per cubic meter = 3.785412e-9 grams per gallon.
grams per gallon = micrograms per cubic meter × 3.785412e-9
For a page dedicated to this direction, see Microgram per Cubic Meter to Gram per Gallon.
Understanding the Gram per Gallon (g/gal)
Mass concentration.
Understanding the Microgram per Cubic Meter (ug/m3)
Mass concentration.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per cubic meter are in 1 gram per gallon?
1 gram per gallon equals 264,172,052.4 micrograms per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert gram per gallon to microgram per cubic meter?
Multiply the gram per gallon value by 264172052.4. The converter above does this instantly to whatever precision you set.
How do I convert microgram per cubic meter back to gram per gallon?
Use the reverse factor: 1 microgram per cubic meter equals 3.785412e-9 grams per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per gallon?
Gram per Gallon (g/gal) is a unit of chemistry.
What is a microgram per cubic meter?
Microgram per Cubic Meter (ug/m3) is a unit of chemistry.
Is the gram per gallon to microgram per cubic meter conversion exact?
Yes. Both gram per gallon and microgram per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 264172052.4 used above is exact to as many digits as you choose to display.
What's the difference between mass concentration and molarity?
Mass concentration expresses how much mass of a substance is present per unit volume (for example, grams per liter). Molarity expresses the amount in moles per liter instead, which accounts for the substance's molecular weight. This category converts mass-concentration units.