Convert Tablespoons to US gallons
1 tablespoon = 0.00390625 US gallons · gal = tbsp ÷ 256
When you need this conversion
This conversion goes from tablespoons, a standard cooking measure of about 15 milliliters, to US gallons, the fuel and liquid volume unit in the US. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Tablespoons to US gallons conversion table
| Tablespoons (tbsp) | US gallons (gal) |
|---|---|
| 1 tbsp | 0.00390625 gal |
| 2 tbsp | 0.0078125 gal |
| 3 tbsp | 0.011719 gal |
| 5 tbsp | 0.019531 gal |
| 10 tbsp | 0.039063 gal |
| 15 tbsp | 0.058594 gal |
| 20 tbsp | 0.078125 gal |
| 25 tbsp | 0.097656 gal |
| 50 tbsp | 0.195313 gal |
| 75 tbsp | 0.292969 gal |
| 100 tbsp | 0.390625 gal |
| 250 tbsp | 0.976563 gal |
| 500 tbsp | 1.9531 gal |
| 1,000 tbsp | 3.9063 gal |
The formula
gal = tbsp ÷ 256Because both units measure volume, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
US gallons to tablespoons →Related volume conversions
- Liters to US gallons
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Cubic meters to liters
- Cubic meters to cubic feet
- Cubic feet to cubic meters
- US gallons to liters
- US cups to milliliters
- US fluid ounces to milliliters
- Milliliters to US gallons
- Cubic meters to US gallons
Frequently asked questions
- How many US gallons are in a tablespoon?
- There are 0.00390625 US gallons in 1 tablespoon. The formula is gal = tbsp ÷ 256.
- How do you convert tablespoons to US gallons?
- Use the formula gal = tbsp ÷ 256. For example, 10 tablespoons equals 0.039063 US gallons.
- Is the tablespoons to US gallons conversion exact?
- Yes. Tablespoons and US gallons are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is tbsp short for?
- tbsp is the standard symbol for tablespoon. gal is the symbol for US gallon.