How to Convert Tablespoons to Millilitres (tbsp to ml)
Volume conversions help with baking from American recipes, comparing petrol prices quoted per gallon abroad with pump prices per litre here, and reading PUB water bills in cubic metres. This guide shows how to convert tablespoons into millilitres by hand, with examples and a quick-reference table.
The conversion
To convert tablespoons to millilitres, multiply the value by 14.7868. To go the other way, divide by the same number (or multiply by 0.0676278843). For a quick estimate, multiply by about 15.
Millilitres = tablespoons × 14.7868
Worked examples
- 3 tbsp = 44.3604 ml
- 12.5 tbsp = 184.835 ml
- 75 tbsp = 1,109.01 ml
Tablespoons to Millilitres table
| Tablespoons | Millilitres |
|---|---|
| 1 tbsp | 14.7868 ml |
| 2 tbsp | 29.5736 ml |
| 5 tbsp | 73.934 ml |
| 10 tbsp | 147.868 ml |
| 20 tbsp | 295.736 ml |
| 25 tbsp | 369.67 ml |
| 50 tbsp | 739.34 ml |
| 100 tbsp | 1,478.68 ml |
| 250 tbsp | 3,696.7 ml |
| 500 tbsp | 7,393.4 ml |
| 1,000 tbsp | 14,786.8 ml |
Common questions
Is tbsp to ml exact?
The factors used here are the internationally defined values where they exist; results are rounded for display only.
How do I convert back?
Use the Millilitres to Tablespoons converter.
Mistakes to avoid
Rounding the factor too early
Using 3 instead of 3.28 for feet per metre introduces an error of almost 9% before you have started.
Forgetting squared and cubed units
Area and volume factors are the length factor squared or cubed, so 1 m² is about 10.76 sq ft, not 3.28.
Dropping the units
A bare number without a unit is easy to misread later. Always write the unit with the result.
Background
Writing the units next to every number while you work is the simplest way to avoid mistakes. If the units do not cancel to leave the one you want, the calculation is set up wrongly.
A conversion table is handy for common values, but a calculator is faster and avoids interpolation errors for anything in between.
Many conversion factors are exact by definition. The inch has been defined as exactly 2.54 centimetres since 1959, and the pound as exactly 0.45359237 kilograms, so conversions involving them can be as precise as you need.
For any value, use the Tablespoons to Millilitres Converter or browse all volume converters.
Run your own numbers: Tablespoons to Millilitres Converter