1 tablespoon to US gallons
1 tbsp = 0.00390625 gal. Change the amount below, or read the formula and the reference table further down.
1 tablespoon equals
US gallons
1 tbsp = 0.00390625 gal
The formula
Tablespoons and US gallons both measure volume from the same zero, so a single multiplier does the job.
gal = tbsp × 0.00390625
Going the other way? Convert US gallons to tablespoons.
Tablespoons to US gallons table
Values either side of 1 tbsp.
| Tablespoons (tbsp) | US gallons (gal) |
|---|---|
| -4 | -0.015625 |
| -3.5 | -0.013672 |
| -3 | -0.011719 |
| -2.5 | -0.009766 |
| -2 | -0.007813 |
| -1.5 | -0.005859 |
| -1 | -0.003906 |
| -0.5 | -0.001953 |
| 0 | 0 |
| 0.5 | 0.001953 |
| 1 | 0.003906 |
| 1.5 | 0.005859 |
| 2 | 0.007813 |
| 2.5 | 0.009766 |
| 3 | 0.011719 |
| 3.5 | 0.013672 |
| 4 | 0.015625 |
| 4.5 | 0.017578 |
| 5 | 0.019531 |
| 5.5 | 0.021484 |
| 6 | 0.023437 |
Questions people ask
- How many US gallons are in a tablespoon?
- One tablespoon equals 0.00390625 US gallons.
- How do I convert tablespoons to US gallons by hand?
- Multiply the number of tablespoons by 0.00390625. For a rough check, 0.004 is close enough for most everyday use.
- What is 1 tablespoon in US gallons?
- 1 tablespoon is 0.00390625 US gallons.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.