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US gallon to US teaspoon Converter

Type a value — the answer appears instantly. 1 gal = 768 tsp.

Reviewed by the OmniCalc teamMethod verified 2026-07-01

From unit

To unit
Result

768 US teaspoons

= 3.78541 L= 3,785.41 ml

equals 768 US teaspoons

Formula: tsp = gal × 768

US gallon to US teaspoon formula

tsp = gal × 768

Convert 5 US gallons to US teaspoons

  1. Start with 5 US gallons.
  2. Multiply by the conversion factor: 5 × 768 = 3,840.
  3. So 5 gal = 3,840 tsp.

US gallon to US teaspoon conversion table

US gallon to US teaspoon conversion table
US gallons (gal)US teaspoons (tsp)
0.01 gal7.68 tsp
0.1 gal76.8 tsp
0.25 gal192 tsp
0.5 gal384 tsp
1 gal768 tsp
2 gal1,536 tsp
3 gal2,304 tsp
4 gal3,072 tsp
5 gal3,840 tsp
6 gal4,608 tsp
7 gal5,376 tsp
8 gal6,144 tsp
9 gal6,912 tsp
10 gal7,680 tsp
15 gal11,520 tsp
20 gal15,360 tsp
25 gal19,200 tsp
30 gal23,040 tsp
40 gal30,720 tsp
50 gal38,400 tsp
75 gal57,600 tsp
100 gal76,800 tsp
250 gal192,000 tsp
500 gal384,000 tsp
1,000 gal768,000 tsp
5,000 gal3,840,000 tsp
10,000 gal7,680,000 tsp

Unit definitions

What is a US gallon?

The US gallon is defined as exactly 231 cubic inches, or 3.785411784 litres. It is the standard unit for fuel, milk, and large liquid quantities in the United States. It is about 20% smaller than the imperial gallon.

What is a US teaspoon?

The US teaspoon is a customary cooking measure of one sixth of a US fluid ounce, about 4.93 millilitres. Three teaspoons make one tablespoon. It is a staple unit in American recipes.

Frequently asked questions

How many US teaspoons are in one US gallon?

One US gallon equals 768 US teaspoons (1 gal = 768 tsp).

How do I convert US gallons to US teaspoons?

Multiply the value in US gallons by 768. For example, 10 gal × 768 = 7,680 tsp.

Which is bigger — a US gallon or a US teaspoon?

A US gallon is bigger: one US gallon contains 768 US teaspoons.

Is this US gallon to US teaspoon converter free?

Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.

Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.