Mass per volume density.
Milligrams per Teaspoon to Ounces per Gallon Converter — mg/tsp to oz/gal
Convert Milligram per Teaspoon (mg/tsp) to Ounce per Gallon (oz/gal) using the exact conversion factor (1 milligram per teaspoon = 0.0270904028 ounce per gallon). See the formula, worked examples, conversion table, and common uses.
Milligrams per Teaspoon to Ounces 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 / 7.489151707.
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 Ounces per Gallon
Milligram per Teaspoon and Ounce 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
ounces per gallon = milligrams per teaspoon × 0.0270904027773
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 ounce per gallon equals 7.48915170731 base units, so dividing one by the other gives the direct milligram per teaspoon-to-ounce per gallon factor of 0.0270904027773.
Simple example
1 mg/tsp × 0.02709040278 = 0.0270904028 oz/gal
1 milligram per teaspoon = 0.0270904028 ounces per gallon.
Real-world example
1,000 mg/tsp × 0.02709040278 = 27.09040278 oz/gal
1,000 milligrams per teaspoon = 27.09040278 ounces per gallon.
Conversion table
| Milligram per Teaspoon (mg/tsp) | Ounce per Gallon (oz/gal) |
|---|---|
| 0.1 mg/tsp | 0.0027090403 oz/gal |
| 1 mg/tsp | 0.0270904028 oz/gal |
| 10 mg/tsp | 0.2709040278 oz/gal |
| 100 mg/tsp | 2.709040278 oz/gal |
| 1,000 mg/tsp | 27.09040278 oz/gal |
| 10,000 mg/tsp | 270.9040278 oz/gal |
Reverse conversion: Ounce per Gallon to Milligram per Teaspoon
0.0270904028 oz/gal × 36.91344157 = 1.000000001 mg/tsp
0.0270904028 ounces per gallon = 1.000000001 milligrams per teaspoon.
milligrams per teaspoon = ounces per gallon × 36.913441569
For a page dedicated to this direction, see Ounce per Gallon to Milligram per Teaspoon.
Understanding the Milligram per Teaspoon (mg/tsp)
Mass per volume density.
Understanding the Ounce per Gallon
Ounce per Gallon (oz/gal) measures concentration (dilution rate). A US customary way to express how much concentrate is mixed into each gallon of a diluted solution. It is classified as a US customary concentration unit.
Where it's used: United States
Uses of the Ounce per Gallon today
- Used to express dilution rates on many US pesticide, herbicide, and household cleaning product labels, which commonly specify a number of fluid ounces of concentrate per gallon of water
Ounce per Gallon — sources
- US product-label dilution conventions (pesticide/herbicide industry guides) — Fluid ounces of concentrate per gallon is a widely used label format for US spray and cleaning product dilution instructions.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per gallon are in 1 milligram per teaspoon?
1 milligram per teaspoon equals 0.0270904028 ounces per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per teaspoon to ounce per gallon?
Multiply the milligram per teaspoon value by 0.02709040278. The converter above does this instantly to whatever precision you set.
How do I convert ounce per gallon back to milligram per teaspoon?
Use the reverse factor: 1 ounce per gallon equals 36.91344157 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 ounce per gallon?
Ounce per Gallon (oz/gal) measures concentration (dilution rate). A US customary way to express how much concentrate is mixed into each gallon of a diluted solution. It is classified as a US customary concentration unit.
Is the milligram per teaspoon to ounce per gallon conversion exact?
Yes. Both milligram per teaspoon and ounce per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.02709040278 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.