Mass concentration.
Micrograms per Gallon to Micrograms per Cubic Meter Converter — ug/gal to ug/m3
Convert Microgram per Gallon (ug/gal) to Microgram per Cubic Meter (ug/m3) using the exact conversion factor (1 microgram per gallon = 264.1720524 microgram per cubic meter). See the formula, worked examples, and conversion table.
Micrograms 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 2.64172052e-7 / 1e-9.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Gallon to Micrograms per Cubic Meter
Microgram 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 = micrograms per gallon × 264.172052358
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per gallon equals 2.641721e-7 base units, and 1 microgram per cubic meter equals 1e-9 base units, so dividing one by the other gives the direct microgram per gallon-to-microgram per cubic meter factor of 264.172052358.
Simple example
1 ug/gal × 264.1720524 = 264.1720524 ug/m3
1 microgram per gallon = 264.1720524 micrograms per cubic meter.
Real-world example
100 ug/gal × 264.1720524 = 26,417.20524 ug/m3
100 micrograms per gallon = 26,417.20524 micrograms per cubic meter.
Conversion table
| Microgram per Gallon (ug/gal) | Microgram per Cubic Meter (ug/m3) |
|---|---|
| 0.001 ug/gal | 0.2641720524 ug/m3 |
| 0.01 ug/gal | 2.641720524 ug/m3 |
| 0.1 ug/gal | 26.41720524 ug/m3 |
| 1 ug/gal | 264.1720524 ug/m3 |
| 10 ug/gal | 2,641.720524 ug/m3 |
| 100 ug/gal | 26,417.20524 ug/m3 |
Reverse conversion: Microgram per Cubic Meter to Microgram per Gallon
264.1720524 ug/m3 × 0.003785411784 = 1 ug/gal
264.1720524 micrograms per cubic meter = 1 micrograms per gallon.
micrograms per gallon = micrograms per cubic meter × 0.003785411784
For a page dedicated to this direction, see Microgram per Cubic Meter to Microgram per Gallon.
Understanding the Microgram per Gallon (ug/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 microgram per gallon?
1 microgram per gallon equals 264.1720524 micrograms per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per gallon to microgram per cubic meter?
Multiply the microgram per gallon value by 264.1720524. The converter above does this instantly to whatever precision you set.
How do I convert microgram per cubic meter back to microgram per gallon?
Use the reverse factor: 1 microgram per cubic meter equals 0.0037854118 micrograms per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per gallon?
Microgram per Gallon (ug/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 microgram per gallon to microgram per cubic meter conversion exact?
Yes. Both microgram per gallon and microgram per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 264.1720524 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.