To convert tablespoons to milliliters (tbsp to mL), multiply by 14.786765. 1 tablespoon equals 14.786765 mL, about 3 times as much as a teaspoon.
| tablespoons | milliliters |
|---|---|
| 1 tablespoon | 14.786765 mL |
| 2 tablespoons | 29.57353 mL |
| 5 tablespoons | 73.933824 mL |
| 10 tablespoons | 147.86765 mL |
| 25 tablespoons | 369.66912 mL |
| 50 tablespoons | 739.33824 mL |
| 100 tablespoons | 1,478.6765 mL |
| 250 tablespoons | 3,696.6912 mL |
| 500 tablespoons | 7,393.3824 mL |
| 1000 tablespoons | 14,786.765 mL |
The factor is 14.7868, which is derived rather than defined, so any decimal you see has been rounded somewhere.
No simple round multiplier is close enough to be useful, so this is one to look up rather than estimate. The exact factor is 14.7868.
The reverse factor is 0.068, so one milliliter is that many tablespoons. Two decimal places is plenty for most purposes, and three is more than a tape measure can justify.
To anchor the scale: 1 tablespoon is about 14.8 mL.