Mass per volume density.
Milligrams per Pint to Megagrams per Gallon Converter — mg/pt to Mg/gal
Convert Milligram per Pint (mg/pt) to Megagram per Gallon (Mg/gal) using the exact conversion factor (1 milligram per pint = 8e-9 megagram per gallon). See the formula, worked examples, and conversion table.
Milligrams per Pint to Megagrams 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 0.002113376419 / 264172.0524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Pint to Megagrams per Gallon
Milligram per Pint and Megagram 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
megagrams per gallon = milligrams per pint × 8e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per pint equals 0.00211337641887 base units, and 1 megagram per gallon equals 264172.052358 base units, so dividing one by the other gives the direct milligram per pint-to-megagram per gallon factor of 8e-9.
Simple example
1 mg/pt × 8e-9 = 8e-9 Mg/gal
1 milligram per pint = 8e-9 megagrams per gallon.
Real-world example
1,000 mg/pt × 8e-9 = 0.000008 Mg/gal
1,000 milligrams per pint = 0.000008 megagrams per gallon.
Conversion table
| Milligram per Pint (mg/pt) | Megagram per Gallon (Mg/gal) |
|---|---|
| 0.1 mg/pt | 8e-10 Mg/gal |
| 1 mg/pt | 8e-9 Mg/gal |
| 10 mg/pt | 8e-8 Mg/gal |
| 100 mg/pt | 8e-7 Mg/gal |
| 1,000 mg/pt | 0.000008 Mg/gal |
| 10,000 mg/pt | 0.00008 Mg/gal |
Reverse conversion: Megagram per Gallon to Milligram per Pint
8e-9 Mg/gal × 125000000 = 1 mg/pt
8e-9 megagrams per gallon = 1 milligram per pint.
milligrams per pint = megagrams per gallon × 125000000
For a page dedicated to this direction, see Megagram per Gallon to Milligram per Pint.
Understanding the Milligram per Pint (mg/pt)
Mass per volume density.
Understanding the Megagram per Gallon (Mg/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many megagrams per gallon are in 1 milligram per pint?
1 milligram per pint equals 8e-9 megagrams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per pint to megagram per gallon?
Multiply the milligram per pint value by 8e-9. The converter above does this instantly to whatever precision you set.
How do I convert megagram per gallon back to milligram per pint?
Use the reverse factor: 1 megagram per gallon equals 125,000,000 milligrams per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per pint?
Milligram per Pint (mg/pt) is a unit of density.
What is a megagram per gallon?
Megagram per Gallon (Mg/gal) is a unit of density.
Is the milligram per pint to megagram per gallon conversion exact?
Yes. Both milligram per pint and megagram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 8e-9 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.