🧪 Volume converter

Teaspoon to Gallon Converter

Convert teaspoons (tsp) to gallons (gal) instantly with the exact formula, a conversion table and chart.

tsp

Results

Gallons
0.00130208333333 gal
Same value in every unit

📊 Teaspoon to Gallon chart

Teaspoon to Gallon — plotted against teaspoon (tsp).

How to convert teaspoons to gallons

To convert teaspoons to gallons, multiply by 0.00130208333333. Volume conversions help with recipes, fuel, beverages, aquariums and laboratory work. US customary units are used here.

gal = tsp × 0.00130208333333 tsp = gal ÷ 0.00130208333333
Teaspoon to Gallon conversion – tsp to gal formula illustration
Teaspoon (tsp) → Gallon (gal) at a glance.

Teaspoon to Gallon conversion table

Teaspoon (tsp)Gallon (gal)
0.1 tsp0.000130208333333 gal
0.5 tsp0.000651041666667 gal
1 tsp0.00130208333333 gal
2 tsp0.00260416666667 gal
3 tsp0.00390625 gal
4 tsp0.00520833333333 gal
5 tsp0.00651041666667 gal
10 tsp0.0130208333333 gal
20 tsp0.0260416666667 gal
25 tsp0.0325520833333 gal
50 tsp0.0651041666667 gal
100 tsp0.130208333333 gal
500 tsp0.651041666667 gal
1,000 tsp1.30208333333 gal

About the units

Teaspoon (tsp)

A US teaspoon is 1/6 of a US fluid ounce, about 4.93 mL.

Gallon (gal)

A US liquid gallon is defined as 231 cubic inches, exactly 3.785411784 liters.

How to use this converter

  1. Type the number of teaspoons (tsp) in the input box.
  2. The result in gallons appears instantly — no button needed.
  3. See the same value in every other volume unit just below.
  4. Use “Swap units” to convert gallons back to teaspoons.

Tips for better results

  • Double-check which system a unit belongs to (for example US vs UK gallons).
  • Use the swap button to convert in the opposite direction instantly.
  • Bookmark the conversions you use most — each pair has its own page.

Frequently asked questions

How many gallons are in one teaspoon?

One teaspoon equals 0.00130208333333 gallons. 0.00130208333333 is the exact factor used by this converter.

How do I convert teaspoons to gallons?

Multiply the value in teaspoons by 0.00130208333333. To go the other way, multiply gallons by 768.

What is 10 tsp in gal?

10 tsp = 0.0130208333333 gal. Also, 5 tsp = 0.00651041666667 gal and 100 tsp = 0.130208333333 gal.

What is the difference between a teaspoon and a gallon?

A US teaspoon is 1/6 of a US fluid ounce, about 4.93 mL. A US liquid gallon is defined as 231 cubic inches, exactly 3.785411784 liters.

Is this tool free and private?

Yes — the Teaspoon to Gallon is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.

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