US Teaspoons to US Liquid Gallons Converter
Convert US teaspoons to US liquid gallons instantly with this free US teaspoons to US liquid gallons converter. Enter any value to get an accurate volume conversion, plus the formula, the conversion factor and a full reference table.
What is 1 US teaspoon in US liquid gallons?
1 US teaspoon is equal to 0.001302083 US liquid gallons.
1 ÷ 768 = 0.001302083 US liquid gallons
1 US teaspoon = 0.0013020833 US liquid gallons
US teaspoons to US liquid gallons formula
gal = tsp ÷ 768
The US teaspoons to US liquid gallons conversion factor is 0.001302083333, which is exact by definition. 1 US teaspoon = 0.001302083333 US liquid gallons, and 1 US liquid gallon = 768 US teaspoons.
Regional note. Gallons differ by region. A US liquid gallon is exactly 3.785411784 liters; an Imperial (UK) gallon is exactly 4.54609 liters — about 20% larger. This page uses the US liquid gallon.
Worked examples
- 2 US teaspoons = 0.002604167 US liquid gallons — 2 ÷ 768 = 0.002604167 US liquid gallons
- 6 US teaspoons = 0.0078125 US liquid gallons — 6 ÷ 768 = 0.0078125 US liquid gallons
- 10 US teaspoons = 0.013020833 US liquid gallons — 10 ÷ 768 = 0.013020833 US liquid gallons
US teaspoons to US liquid gallons conversion table
Every value below is calculated with the exact conversion factor and rounded for display.
| US teaspoons (tsp) | US liquid gallons (gal) |
|---|---|
| 1 tsp | 0.00130208 gal |
| 2 tsp | 0.00260417 gal |
| 3 tsp | 0.00390625 gal |
| 4 tsp | 0.00520833 gal |
| 5 tsp | 0.00651042 gal |
| 6 tsp | 0.0078125 gal |
| 7 tsp | 0.00911458 gal |
| 8 tsp | 0.01041667 gal |
| 9 tsp | 0.01171875 gal |
| 10 tsp | 0.01302083 gal |
| 12 tsp | 0.015625 gal |
| 15 tsp | 0.01953125 gal |
| 20 tsp | 0.02604167 gal |
| 25 tsp | 0.03255208 gal |
| 30 tsp | 0.0390625 gal |
| 50 tsp | 0.06510417 gal |
| 75 tsp | 0.09765625 gal |
| 100 tsp | 0.13020833 gal |
| 500 tsp | 0.65104167 gal |
| 1,000 tsp | 1.3020833 gal |
When you need to convert US teaspoons to US liquid gallons
- Scaling recipes between metric millilitres and US cups, pints or fluid ounces.
- Comparing fuel prices and tank capacities between countries.
- Working out paint, fertiliser or pool chemical quantities from instructions written for another market.
Getting a feel for the scale
A converted number is easier to trust when you can picture it. These reference points let you sanity-check the result at a glance.
US liquid gallon (gal)
- A US milk jug is 1 gallon
- A mid-size car tank holds 12–16 US gallons
Common mistakes to avoid
- Dividing when you should multiply. Because 1 US teaspoon = 0.001302 US liquid gallons, the answer should be smaller than the number you started with.
- Mixing US and Imperial liquid measures. The Imperial gallon and pint are about 20% larger than their US counterparts, which is enough to ruin a recipe or misstate fuel economy.
- Rounding too early. Convert first at full precision, then round the final answer to the precision the task actually needs.
How precise does the answer need to be?
Cooking tolerates rounding to the nearest 5 mL or quarter cup. Dosing, chemistry and pool treatment do not — keep the full converted value there.
How these units are defined
- US teaspoon (tsp): One third of a US tablespoon, about 4.93 mL. This unit's relationship to the SI base unit is exact by definition, so no rounding enters the conversion factor.
- US liquid gallon (gal): Exactly 3.785411784 liters — the gallon used in the United States. This unit's relationship to the SI base unit is exact by definition, so no rounding enters the conversion factor.
Related conversions
- US liquid gallons to US teaspoons
- US teaspoons to Milliliters
- US teaspoons to Liters
- US teaspoons to Cubic meters
- US teaspoons to Cubic feet
- US teaspoons to US tablespoons
- US teaspoons to US fluid ounces
- US teaspoons to US cups
- US teaspoons to US liquid pints
- US teaspoons to US liquid quarts
- US teaspoons to Imperial pints
- US teaspoons to Imperial gallons
Frequently asked questions
- What is 1 US teaspoon in US liquid gallons?
- 1 US teaspoon is equal to 0.001302083 US liquid gallons.
- How many US teaspoons are in one US liquid gallon?
- There are 768 US teaspoons in 1 US liquid gallon.
- How do you convert US teaspoons to US liquid gallons?
- Multiply the number of US teaspoons by 0.001302083 — or use the formula gal = tsp ÷ 768.
- What is 6 US teaspoons in US liquid gallons?
- 6 US teaspoons is 0.0078125 US liquid gallons. 6 ÷ 768 = 0.0078125 US liquid gallons.
- Is the US teaspoons to US liquid gallons conversion exact?
- Yes. The relationship is fixed by definition, so 0.001302083333 is an exact conversion factor — only the displayed result is rounded.
- Does this use US or Imperial US liquid gallons?
- Gallons differ by region. A US liquid gallon is exactly 3.785411784 liters; an Imperial (UK) gallon is exactly 4.54609 liters — about 20% larger. This page uses the US liquid gallon.