How Many ML Are in a Tablespoon?
The Formula
Common Tablespoons to Milliliters Values
| Tablespoons | Milliliters | Fraction |
|---|---|---|
| 0.25 | 3.70 | 3⅔ |
| 0.5 | 7.39 | 7⅜ |
| 0.75 | 11.09 | 11⅛ |
| 1 | 14.79 | 14¾ |
| 1.5 | 22.18 | 22⅛ |
| 2 | 29.57 | 29⅝ |
| 3 | 44.36 | 44⅜ |
| 4 | 59.15 | 59⅛ |
| 5 | 73.94 | 73⅞ |
| 8 | 118.30 | 118⅓ |
| 10 | 147.87 | 147⅞ |
| 12 | 177.44 | 177½ |
A Worked Example
A recipe calls for 4 tablespoons of oil. Multiply 4 by 14.787 to get about 59.1ml, matching closely to the 60ml mark many liquid measuring cups use as a rounded reference line.
When This Conversion Matters
A US tablespoon holds 14.79ml, useful when a recipe lists liquid ingredients by the milliliter instead of the spoon.
Australian tablespoons are larger at 20ml, so double-check the recipe's country of origin.
Coffee brewing guides that specify grounds or water by the milliliter often get translated into tablespoon measurements for brewers without a scale, using this conversion as the bridge.
This figure is also useful for reading European recipe apps and websites that default to milliliters, letting US cooks quickly relate an ml amount to a familiar tablespoon measurement.
Recipe development software used by professional test kitchens often stores a master recipe in milliliters internally, displaying a tablespoon figure to home cooks only as a converted, user-facing value.
Standards and Sources
The US tablespoon is fixed at 14.7868 milliliters under NIST measurement standards, commonly rounded to 14.79ml for everyday use.
This differs meaningfully from the Australian tablespoon (20ml), a nearly 35% larger volume that causes real conversion errors if a recipe's origin isn't checked first.
The UK tablespoon is generally cited around 15ml in modern usage, close to but not identical with the US figure — small enough that most home cooking tolerates the difference without adjustment.
Pharmacy compounding guidelines from bodies like the United States Pharmacopeia specify milliliter measurements for any dosing above the teaspoon level, reflecting a general move away from spoon-based dosing in professional contexts.
Where This Unit Comes From
The tablespoon's fractional relationship to the milliliter (14.787ml, not a round number) is a direct consequence of the US cup being defined first, with the tablespoon derived as 1/16 of that already-fixed volume.
Where This Shows Up
Coffee brewing guides that specify grounds or water by the milliliter often get translated into tablespoon measurements for brewers without a scale, using this conversion as the bridge.
This figure is also useful for reading European recipe apps and websites that default to milliliters, letting US cooks quickly relate an ml amount to a familiar tablespoon measurement.
Homemade salad dressing and cocktail bitters recipes shared internationally frequently mix tablespoon and milliliter measurements, requiring this conversion to standardize an ingredient list before scaling.
Homemade salad dressing bottling for gifting or small-batch sale sometimes requires converting a recipe's tablespoon measurements into milliliters to match standard bottle-fill labeling conventions.
Home cocktail bitters makers bottling small batches for personal use or gifting frequently need this conversion when a recipe specifies dash or ml amounts that need translating into tablespoon-based ingredient scaling.
Common Mistakes
- Using the Australian tablespoon figure (20ml) instead of the US standard (14.79ml) without checking the recipe's origin.
- Confusing a heaping tablespoon with a level one, which adds inconsistent extra volume to the converted ml amount.
- Rounding 14.787 down to a flat 15, a small but occasionally meaningful difference in precise recipes.
- Assuming a plastic measuring spoon that's been warped by dishwasher heat still holds its original calibrated volume.
Tablespoon Volume by Country
| Country | Volume | |
|---|---|---|
| United States | US customary | 14.79 ml |
| United Kingdom | Modern usage | ~15 ml |
| Australia | Metric-based | 20 ml |
Related Converters
Frequently Asked Questions
How many ml are in a tablespoon?+
14.79ml make 1 US tablespoon.
How many ml are in 3 tablespoons?+
About 44.4ml.
Is an Australian tablespoon different?+
Yes, it's 20ml, noticeably larger than the US standard.
How much bigger is an Australian tablespoon than a US tablespoon?+
About 35% larger — 20ml versus 14.79ml — enough to meaningfully change a recipe if the two are swapped without adjusting.
How many ml are in half a tablespoon?+
About 7.4ml.
Why do European recipes rarely use tablespoons for precise measurements?+
Metric countries generally prefer milliliters or grams for precision, reserving spoon measurements for casual or approximate amounts.
Do all English-speaking countries use the same tablespoon size?+
No — the US, UK, and Australia each define the tablespoon slightly differently, which is why checking a recipe's origin matters for precise conversion.