Convert teaspoons to US gallons
1 tsp = 0.00130208 gal. Change the amount below, or read the formula and the reference table further down.
1 teaspoon equals
US gallons
1 tsp = 0.00130208 gal
The formula
Teaspoons and US gallons both measure volume from the same zero, so a single multiplier does the job.
gal = tsp × 0.0013020833
Going the other way? Convert US gallons to teaspoons.
Teaspoons to US gallons table
Common values, rounded for reading.
| Teaspoons (tsp) | US gallons (gal) |
|---|---|
| 1 | 0.001302 |
| 2 | 0.002604 |
| 3 | 0.003906 |
| 4 | 0.005208 |
| 5 | 0.00651 |
| 6 | 0.007813 |
| 7 | 0.009115 |
| 8 | 0.010417 |
| 9 | 0.011719 |
| 10 | 0.013021 |
| 15 | 0.019531 |
| 20 | 0.026042 |
| 25 | 0.032552 |
| 30 | 0.039063 |
| 40 | 0.052083 |
| 50 | 0.065104 |
| 75 | 0.097656 |
| 100 | 0.130208 |
| 250 | 0.325521 |
| 500 | 0.651042 |
| 1,000 | 1.3021 |
Questions people ask
- How many US gallons are in a teaspoon?
- One teaspoon equals 0.0013020833 US gallons.
- How do I convert teaspoons to US gallons by hand?
- Multiply the number of teaspoons by 0.0013020833. For a rough check, 0.001 is close enough for most everyday use.
- What is 1 teaspoon in US gallons?
- 1 teaspoon is 0.00130208 US gallons.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.