How to convert US tablespoons to millilitres
One US tablespoon equals 14.7868 millilitres, so multiply the number of US tablespoons by 14.7868:
ml = tbsp × 14.7868
tbsp = ml ÷ 14.7868 (1 ml = 0.067628 tbsp)
Example: 2 tbsp → 2 × 14.7868 = 29.5735 ml.
Going the other way, divide by 14.7868, or multiply by 0.067628; the millilitres to US tablespoons converter does it for you.
Everyday values
| US tablespoons | Millilitres | For example |
|---|---|---|
| 1 tbsp | 14.7868 ml | one tablespoon |
| 2 tbsp | 29.5735 ml | two tablespoons (1 fl oz) |
| 4 tbsp | 59.1471 ml | a quarter cup |
| 8 tbsp | 118.294 ml | half a cup |
| 16 tbsp | 236.588 ml | one cup |
When you need this conversion
A US tablespoon is 14.79 ml, often rounded to 15 ml. The Australian tablespoon is 20 ml, so check where a recipe comes from. For medicine, always use the measuring device supplied with it rather than a kitchen spoon.
US tablespoon to millilitre conversion table
| tbsp | ml | tbsp | ml |
|---|---|---|---|
| 1 tbsp | 14.7868 ml | 9 tbsp | 133.081 ml |
| 2 tbsp | 29.5735 ml | 10 tbsp | 147.868 ml |
| 3 tbsp | 44.3603 ml | 11 tbsp | 162.654 ml |
| 4 tbsp | 59.1471 ml | 12 tbsp | 177.441 ml |
| 5 tbsp | 73.9338 ml | 13 tbsp | 192.228 ml |
| 6 tbsp | 88.7206 ml | 14 tbsp | 207.015 ml |
| 7 tbsp | 103.507 ml | 15 tbsp | 221.801 ml |
| 8 tbsp | 118.294 ml | 16 tbsp | 236.588 ml |
About the units
- US tablespoon (tbsp): 1/2 US fluid ounce, about 14.79 millilitres.
- Millilitre (ml): one thousandth of a litre, the same as one cubic centimetre.
Both are units of volume. The conversion factor comes from the exact definitions above, so the calculator is exact; results are only rounded for display (up to six significant digits).
Frequently asked questions
How many millilitres are in one US tablespoon?
One US tablespoon is 14.7868 millilitres. One millilitre is 0.067628 US tablespoons.
How do I convert US tablespoons to millilitres?
Multiply the value in US tablespoons by 14.7868. To go back, divide by 14.7868.
What is 2 tbsp in millilitres?
2 tbsp = 29.5735 ml.
What is 4 tbsp in millilitres?
4 tbsp = 59.1471 ml.
Sources
- NIST Special Publication 811 (2008), Guide for the Use of the International System of Units (SI), Appendix B: conversion factors.
- NIST Handbook 44 (2024), Appendix C: General tables of units of measurement.
Last reviewed 5 October 2026. Results are estimates; see our disclaimer.