Mass per volume density.
Megagrams per Gallon to Stones per Gallon Converter — Mg/gal to st/gal
Convert Megagram per Gallon (Mg/gal) to Stone per Gallon (st/gal) using the exact conversion factor (1 megagram per gallon = 157.4730444 stone per gallon). See the formula, worked examples, and conversion table.
Megagrams per Gallon to Stones 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 264172.0524 / 1677.569982.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Megagrams per Gallon to Stones per Gallon
Megagram per Gallon and Stone 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
stones per gallon = megagrams per gallon × 157.473044418
This factor comes from each unit's defined relationship to the category's base unit: 1 megagram per gallon equals 264172.052358 base units, and 1 stone per gallon equals 1677.56998244 base units, so dividing one by the other gives the direct megagram per gallon-to-stone per gallon factor of 157.473044418.
Simple example
1 Mg/gal × 157.4730444 = 157.4730444 st/gal
1 megagram per gallon = 157.4730444 stones per gallon.
Real-world example
1,000 Mg/gal × 157.4730444 = 157,473.0444 st/gal
1,000 megagrams per gallon = 157,473.0444 stones per gallon.
Conversion table
| Megagram per Gallon (Mg/gal) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 Mg/gal | 15.74730444 st/gal |
| 1 Mg/gal | 157.4730444 st/gal |
| 10 Mg/gal | 1,574.730444 st/gal |
| 100 Mg/gal | 15,747.30444 st/gal |
| 1,000 Mg/gal | 157,473.0444 st/gal |
| 10,000 Mg/gal | 1,574,730.444 st/gal |
Reverse conversion: Stone per Gallon to Megagram per Gallon
157.4730444 st/gal × 0.00635029318 = 0.9999999999 Mg/gal
157.4730444 stones per gallon = 0.9999999999 megagrams per gallon.
megagrams per gallon = stones per gallon × 0.00635029318
For a page dedicated to this direction, see Stone per Gallon to Megagram per Gallon.
Understanding the Megagram per Gallon (Mg/gal)
Mass per volume density.
Understanding the Stone per Gallon (st/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per gallon are in 1 megagram per gallon?
1 megagram per gallon equals 157.4730444 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert megagram per gallon to stone per gallon?
Multiply the megagram per gallon value by 157.4730444. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to megagram per gallon?
Use the reverse factor: 1 stone per gallon equals 0.0063502932 megagrams per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a megagram per gallon?
Megagram per Gallon (Mg/gal) is a unit of density.
What is a stone per gallon?
Stone per Gallon (st/gal) is a unit of density.
Is the megagram per gallon to stone per gallon conversion exact?
Yes. Both megagram per gallon and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 157.4730444 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.