Mass per volume density.
Milligrams per Teaspoon to Megagrams per Gallon Converter — mg/tsp to Mg/gal
Convert Milligram per Teaspoon (mg/tsp) to Megagram per Gallon (Mg/gal) using the exact conversion factor (1 milligram per teaspoon = 7.68e-7 megagram per gallon). See the formula, worked examples, and conversion table.
Milligrams per Teaspoon 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 0.2028841362 / 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 Teaspoon to Megagrams per Gallon
Milligram per Teaspoon 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 teaspoon × 7.68e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per teaspoon equals 0.202884136211 base units, and 1 megagram per gallon equals 264172.052358 base units, so dividing one by the other gives the direct milligram per teaspoon-to-megagram per gallon factor of 7.68e-7.
Simple example
1 mg/tsp × 7.68e-7 = 7.68e-7 Mg/gal
1 milligram per teaspoon = 7.68e-7 megagrams per gallon.
Real-world example
1,000 mg/tsp × 7.68e-7 = 0.000768 Mg/gal
1,000 milligrams per teaspoon = 0.000768 megagrams per gallon.
Conversion table
| Milligram per Teaspoon (mg/tsp) | Megagram per Gallon (Mg/gal) |
|---|---|
| 0.1 mg/tsp | 7.68e-8 Mg/gal |
| 1 mg/tsp | 7.68e-7 Mg/gal |
| 10 mg/tsp | 0.00000768 Mg/gal |
| 100 mg/tsp | 0.0000768 Mg/gal |
| 1,000 mg/tsp | 0.000768 Mg/gal |
| 10,000 mg/tsp | 0.00768 Mg/gal |
Reverse conversion: Megagram per Gallon to Milligram per Teaspoon
7.68e-7 Mg/gal × 1302083.333 = 1 mg/tsp
7.68e-7 megagrams per gallon = 1 milligrams per teaspoon.
milligrams per teaspoon = megagrams per gallon × 1302083.33333
For a page dedicated to this direction, see Megagram per Gallon to Milligram per Teaspoon.
Understanding the Milligram per Teaspoon (mg/tsp)
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 teaspoon?
1 milligram per teaspoon equals 7.68e-7 megagrams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per teaspoon to megagram per gallon?
Multiply the milligram per teaspoon value by 7.68e-7. The converter above does this instantly to whatever precision you set.
How do I convert megagram per gallon back to milligram per teaspoon?
Use the reverse factor: 1 megagram per gallon equals 1,302,083.333 milligrams per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per teaspoon?
Milligram per Teaspoon (mg/tsp) 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 teaspoon to megagram per gallon conversion exact?
Yes. Both milligram per teaspoon and megagram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 7.68e-7 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.