Convert Teaspoons to Gallons

Enter the volume in teaspoons below to get the value converted to gallons.

Results in Gallons:
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1 tsp = 0.001302 gal

How to Convert Teaspoons to Gallons

Calculators can be used to convert measurements from one unit to another

To convert a teaspoon measurement to a gallon measurement, multiply the volume by the conversion ratio. One teaspoon is equal to 0.001302 gallons, so use this simple formula to convert:

gallons = teaspoons × 0.001302

The volume in gallons is equal to the teaspoons multiplied by 0.001302.

For example, here's how to convert 5 teaspoons to gallons using the formula above.
5 tsp = (5 × 0.001302) = 0.00651 gal

Teaspoons and gallons are both units used to measure volume. Keep reading to learn more about each unit of measure.


The teaspoon is a unit of volume equal to one-third of a tablespoon. One teaspoon is equal to around 4.9 milliliters, but in nutrition labelling, one teaspoon is equal to exactly 5 milliliters.

The teaspoon is a US customary unit of volume. Teaspoons can be abbreviated as tsp, and are also sometimes abbreviated as t, ts, or tspn. For example, 1 teaspoon can be written as 1 tsp, 1 t, 1 ts, or 1 tspn.


The US liquid gallon is a unit of fluid volume equal to four quarts, eight pints, or sixteen cups. The US liquid gallon should not be confused with the US dry gallon or the imperial gallon, which are different units of measure.

The gallon is a US customary unit of volume. Gallons can be abbreviated as gal, for example 1 gallon can be written as 1 gal.

Teaspoon Measurements and Equivalent Gallon Conversions

Common teaspoon values converted to the equivalent gallon value
Teaspoons Gallons
1 tsp 0.001302 gal
2 tsp 0.002604 gal
3 tsp 0.003906 gal
4 tsp 0.005208 gal
5 tsp 0.00651 gal
6 tsp 0.007813 gal
7 tsp 0.009115 gal
8 tsp 0.010417 gal
9 tsp 0.011719 gal
10 tsp 0.013021 gal
11 tsp 0.014323 gal
12 tsp 0.015625 gal
13 tsp 0.016927 gal
14 tsp 0.018229 gal
15 tsp 0.019531 gal
16 tsp 0.020833 gal
17 tsp 0.022135 gal
18 tsp 0.023438 gal
19 tsp 0.02474 gal
20 tsp 0.026042 gal
21 tsp 0.027344 gal
22 tsp 0.028646 gal
23 tsp 0.029948 gal
24 tsp 0.03125 gal
25 tsp 0.032552 gal
26 tsp 0.033854 gal
27 tsp 0.035156 gal
28 tsp 0.036458 gal
29 tsp 0.03776 gal
30 tsp 0.039063 gal
31 tsp 0.040365 gal
32 tsp 0.041667 gal
33 tsp 0.042969 gal
34 tsp 0.044271 gal
35 tsp 0.045573 gal
36 tsp 0.046875 gal
37 tsp 0.048177 gal
38 tsp 0.049479 gal
39 tsp 0.050781 gal
40 tsp 0.052083 gal

More Teaspoon Volume Conversions

US Liquid
Convert to Quarts
1 tsp is equal to 0.005208 quarts
Convert to Pints
1 tsp is equal to 0.010417 pints
Convert to Fluid Ounces
1 tsp is equal to 0.166667 fluid ounces
US Cooking
Convert to Cups
1 tsp is equal to 0.020833 cups
Convert to Tablespoons
1 tsp is equal to 0.333333 tablespoons
US Customary Volume
Convert to Cubic Inches
1 tsp is equal to 0.300781 cubic inches
Convert to Cubic Feet
1 tsp is equal to 0.000174 cubic feet
Convert to Cubic Yards
1 tsp is equal to 6.4468E-6 cubic yards
Metric Volume
Convert to Liters
1 tsp is equal to 0.004929 liters
Convert to Milliliters
1 tsp is equal to 4.928922 milliliters
Convert to Cubic Centimeters
1 tsp is equal to 4.928922 cubic centimeters
Convert to Cubic Meters
1 tsp is equal to 4.9289E-6 cubic meters

Unit of Measurement Conversion Made Easy!

There are thousands of units of measure in use across the globe, and converting from one to another can be very difficult since each conversion requires a different formula to derive the result. Our unit of measurement conversion tools are meant to be dead easy. We break the mold of the typical dry and complicated experience. In addition to converting from one measurement to another, we provide the formula so you can see how the conversion is done, use it on you’re own calculator if you need to!

Convert units of length, weight, volume, and area between imperial and metric measures

Understanding the Metric System

The metric system makes it relatively easy to convert from one metric unit to another metric unit. The metric system uses a base unit, think meters or grams, and a prefix such as kilo or milli. The prefixes differ from the base units by differing powers of 10. So to convert within the metric system it’s usually a matter of multiplying or dividing by one of the powers of 10.

Here is a list of some of the common metric prefixes:

  • “kilo” – 1,000x larger
  • “hecto” – 100x larger
  • “deca” – 10x larger
  • “deci” – 10x smaller
  • “centi” – 100x smaller
  • “milli” – 1,000x smaller

There is a helpful mnemonic for remembering the prefixes: “King Henry Died Until Drinking Chocolate Milk.”
The u in Until refers to the base unit.