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gallon (gal) → teaspoon (tsp)

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Use our free online converter to convert between units instantly. Enter any value in the field above to get accurate results. No signup or download required—all conversions run in your browser. Our calculator uses standard conversion factors for reliability.

0
gal=tsp
0.01=7.679999
0.1=76.799989
1=767.999886
2=1,535.9998
3=2,303.9997
5=3,839.9994
10=7,679.9989
20=15,359.9977
50=38,399.9943
100=76,799.9886
1000=767,999.8864

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Brief explanation: gallon to teaspoon

Liter is the base volume unit in the metric system. US gallon = 3.78 L. Cup = 236 ml. Tablespoon = 15 ml, teaspoon = 5 ml. Volume measures how much space a substance occupies. The metric system (L, mL) is used worldwide. US customary units (gal, cup, tbsp, tsp) are common in American recipes. When converting, use the exact factors for accuracy—especially in cooking and chemistry.

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Common conversion examples: gallon to teaspoon

Reference values for quick comparison. Use the converter above for any amount.

  • 1 gallon=767.9999 teaspoon
  • 5 gallon=3,839.9994 teaspoon
  • 10 gallon=7,679.9989 teaspoon

About the Units

gallon (gal)

Definition: A gallon (gal) is a unit of volume. The US gallon equals 3.785 liters; the imperial (UK) gallon equals 4.546 liters. It is used for fuel, milk, and other liquids in the US and UK.
History: The gallon has medieval English origins. The US and imperial gallons diverged. The US gallon is based on the wine gallon; the imperial gallon was defined in 1824 for the British Empire.
Current use: Gallons are used for fuel efficiency (mpg), milk, and paint in the US. The UK uses imperial gallons for fuel. Most countries use liters for liquid volumes.

teaspoon (tsp)

Definition: A teaspoon (tsp) is a unit of volume. In the US, one teaspoon equals approximately 4.929 mL or 1/3 tablespoon. It is the smallest common cooking measure.
History: The teaspoon derived from the size of spoons used for tea. It became a standard cooking measure. US and metric teaspoons are very close (5 mL in metric).
Current use: Teaspoons are used for spices, extracts, and small recipe amounts. Medication dosing often uses teaspoons (5 mL). It is the base for larger cooking measures.

Sources

Conversion factors and unit definitions follow international standards. For authoritative references, see: