Mass per volume density.
Milligrams per Gallon to Micrograms per Pint Converter — mg/gal to ug/pt
Convert Milligram per Gallon (mg/gal) to Microgram per Pint (ug/pt) using the exact conversion factor (1 milligram per gallon = 125 microgram per pint). See the formula, worked examples, and conversion table.
Milligrams per Gallon to Micrograms per Pint 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 0.0002641720524 / 2.11337642e-6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Gallon to Micrograms per Pint
Milligram per Gallon and Microgram per Pint 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 pint = milligrams per gallon × 125
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per gallon equals 0.000264172052358 base units, and 1 microgram per pint equals 0.00000211337641887 base units, so dividing one by the other gives the direct milligram per gallon-to-microgram per pint factor of 125.
Simple example
1 mg/gal × 125 = 125 ug/pt
1 milligram per gallon = 125 micrograms per pint.
Real-world example
1,000 mg/gal × 125 = 125,000 ug/pt
1,000 milligrams per gallon = 125,000 micrograms per pint.
Conversion table
| Milligram per Gallon (mg/gal) | Microgram per Pint (ug/pt) |
|---|---|
| 0.1 mg/gal | 12.5 ug/pt |
| 1 mg/gal | 125 ug/pt |
| 10 mg/gal | 1,250 ug/pt |
| 100 mg/gal | 12,500 ug/pt |
| 1,000 mg/gal | 125,000 ug/pt |
| 10,000 mg/gal | 1,250,000 ug/pt |
Reverse conversion: Microgram per Pint to Milligram per Gallon
125 ug/pt × 0.008 = 1 mg/gal
125 micrograms per pint = 1 milligrams per gallon.
milligrams per gallon = micrograms per pint × 0.008
For a page dedicated to this direction, see Microgram per Pint to Milligram per Gallon.
Understanding the Milligram per Gallon (mg/gal)
Mass per volume density.
Understanding the Microgram per Pint (ug/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per pint are in 1 milligram per gallon?
1 milligram per gallon equals 125 micrograms per pint, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per gallon to microgram per pint?
Multiply the milligram per gallon value by 125. The converter above does this instantly to whatever precision you set.
How do I convert microgram per pint back to milligram per gallon?
Use the reverse factor: 1 microgram per pint equals 0.008 milligrams per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per gallon?
Milligram per Gallon (mg/gal) is a unit of density.
What is a microgram per pint?
Microgram per Pint (ug/pt) is a unit of density.
Is the milligram per gallon to microgram per pint conversion exact?
Yes. Both milligram per gallon and microgram per pint are defined by fixed standards rather than physical artifacts, so the factor of 125 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.