Gallon (US) to Teaspoon (US) Converter

Volume Converter

40 units available

Decimals:

From

To

768

1 gal = 768 tsp

Formula:

tsp = gal × 768

With your value: 1 gal = 768 tsp

How big is that?

Everyday references on a logarithmic scale, all expressed in gallon (us) so you can sanity-check the result.

Milk carton (1/3.8e+3 your value)0.000264 gal

Kitchen bucket (1/3.8e+2 your value)0.00264 gal

Car fuel tank (1/76 your value)0.0132 gal

Bathtub (1/19 your value)0.0528 gal

Hot tub (1/2.5 your value)0.396 gal

Your value1.00 gal

Other Gallon (US) to Teaspoon (US) conversions

2 gal to tsp 3 gal to tsp 4 gal to tsp 5 gal to tsp 6 gal to tsp 7 gal to tsp 8 gal to tsp

Gallon (US) to Teaspoon (US) Conversion Table

Gallon (US) (gal)	Teaspoon (US) (tsp)
0.5	384
1	768
2	1,536
5	3,840
10	7,680
15	11,520
20	15,360
25	19,200
50	38,400
100	76,800
250	192,000
500	384,000
1000	768,000

Teaspoon (US) to Gallon (US) Conversion Table

Teaspoon (US) (tsp)	Gallon (US) (gal)
0.5	0.000651
1	0.001302
2	0.002604
5	0.00651
10	0.013021
15	0.019531
20	0.026042
25	0.032552
50	0.065104
100	0.130208
250	0.325521
500	0.651042
1000	1.302083

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Gallon (US) (gal)

Volume

Exact conversion

The US liquid gallon is exactly 231 cubic inches = 3.785 411 784 L.

Source: NIST Handbook 44, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Teaspoon (US) (tsp)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Gallon (US) to Teaspoon (US)

To convert from Gallon (US) (gal) to Teaspoon (US) (tsp), multiply the value by 768.

Formula: tsp = gal × 768

Reverse: gal = tsp × 0.0013020833

Step-by-Step Example

Start with your value in Gallon (US). For example: 5 gal
Multiply by the conversion factor: 5 x 768
The result is: 3,840 tsp

About Gallon (US)

The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.

Fun Fact: The US gallon is about 20% smaller than the imperial (UK) gallon.

Common uses: fuel (US), beverages, swimming pools.

About Teaspoon (US)

The US teaspoon equals approximately 4.93 mL. It is one of the most common cooking measurements.

Common uses: cooking, medicine dosage, baking.

Frequently Asked Questions

How many Teaspoon (US) are in 1 Gallon (US)?

There are exactly 768 Teaspoon (US) in 1 Gallon (US). This means the conversion factor from Gallon (US) to Teaspoon (US) is 768.

What is the formula to convert Gallon (US) to Teaspoon (US)?

The formula to convert Gallon (US) to Teaspoon (US) is: tsp = gal × 768. For example, to convert 10 Gallon (US) to Teaspoon (US), you would multiply 10 by 768.

What is a Gallon (US)?