1 tbsp = 0.5 fl oz
1 tablespoon equals 0.5 US fluid ounces. To convert tablespoons to US fluid ounces, multiply the tablespoon value by 0.5. For quick reference: 1 tbsp = 0.5 fl oz, 5 tbsp = 2.5 fl oz, 10 tbsp = 5 fl oz, 100 tbsp = 50 fl oz.
US fluid ounces = Tablespoons × 0.5Start with your value in tablespoons.
Multiply the tablespoon value by 0.5. This is the exact conversion factor from tablespoons to US fluid ounces.
The product is your value in US fluid ounces. For example, 5 tbsp × 0.5 = 2.5 fl oz.
The exact factor from tablespoons to US fluid ounces is 0.5.
US fluid ounces = Tablespoons × 0.5
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Tablespoons (tbsp) | US fluid ounces (fl oz) |
|---|---|
| 0.1 tbsp | 0.05 fl oz |
| 0.25 tbsp | 0.125 fl oz |
| 0.5 tbsp | 0.25 fl oz |
| 1 tbsp | 0.5 fl oz |
| 1.5 tbsp | 0.75 fl oz |
| 2 tbsp | 1 fl oz |
| 2.5 tbsp | 1.25 fl oz |
| 3 tbsp | 1.5 fl oz |
| 4 tbsp | 2 fl oz |
| 5 tbsp | 2.5 fl oz |
| 6 tbsp | 3 fl oz |
| 7 tbsp | 3.5 fl oz |
| 8 tbsp | 4 fl oz |
| 9 tbsp | 4.5 fl oz |
| 10 tbsp | 5 fl oz |
| 12 tbsp | 6 fl oz |
| 15 tbsp | 7.5 fl oz |
| 20 tbsp | 10 fl oz |
| 25 tbsp | 12.5 fl oz |
| 30 tbsp | 15 fl oz |
| 40 tbsp | 20 fl oz |
| 50 tbsp | 25 fl oz |
| 60 tbsp | 30 fl oz |
| 75 tbsp | 37.5 fl oz |
| 100 tbsp | 50 fl oz |
| 125 tbsp | 62.5 fl oz |
| 150 tbsp | 75 fl oz |
| 200 tbsp | 100 fl oz |
| 250 tbsp | 125 fl oz |
| 300 tbsp | 150 fl oz |
| 400 tbsp | 200 fl oz |
| 500 tbsp | 250 fl oz |
| 600 tbsp | 300 fl oz |
| 750 tbsp | 375 fl oz |
| 1000 tbsp | 500 fl oz |
| 1500 tbsp | 750 fl oz |
| 2000 tbsp | 1000 fl oz |
| 2500 tbsp | 1250 fl oz |
| 3000 tbsp | 1500 fl oz |
| 4000 tbsp | 2000 fl oz |
| 5000 tbsp | 2500 fl oz |
| 7500 tbsp | 3750 fl oz |
| 10000 tbsp | 5000 fl oz |
| 15000 tbsp | 7500 fl oz |
| 20000 tbsp | 10000 fl oz |
| 25000 tbsp | 12500 fl oz |
| 30000 tbsp | 15000 fl oz |
| 40000 tbsp | 20000 fl oz |
| 50000 tbsp | 25000 fl oz |
| 100000 tbsp | 50000 fl oz |
A US tablespoon of olive oil is about 14 mL. Nutrition labels typically use 1 tbsp = 15 mL. In US fluid ounces, that gives you: 1 tbsp = 0.5 fl oz, 10 tbsp = 5 fl oz, 100 tbsp = 50 fl oz.
The US tablespoon equals 1/2 US fluid ounce, or 14.7868 mL — exactly 3 US teaspoons. The UK tablespoon is 17.7582 mL (5/8 imperial fl oz), the Australian metric tablespoon is 20 mL, and most other metric countries use 15 mL. Always check the source's convention before scaling a recipe.
The US fluid ounce (fl oz) is a customary unit of volume equal to 1/128 of a US gallon, or about 29.5735 mL. It is the standard unit for liquid serving sizes on US nutrition labels. The US fluid ounce is slightly larger than the UK fluid ounce (28.4131 mL) — confusingly, the opposite direction from the gallons.