Volume conversion
US tablespoon to Milliliter converter
Convert tbsp to mL instantly, choose the displayed precision, and verify the result with the formula and reference table below.
Milliliter (mL)
Rounded for display only; calculations retain full precision.
Rounding and precision rules
- Convr calculates first and rounds the displayed result only once, at the final step.
- The default is a maximum of 6 decimal places; trailing zeros are removed.
- Very small values that would appear as zero, and values of 10¹² or more, use scientific notation.
- Display precision is not measurement uncertainty. For scientific, engineering, or regulated work, retain only the digits justified by the source measurement.
Practical context
Understanding this conversion
Tablespoons are common in United States recipes and serving measurements. Milliliters provide a precise metric value for scaled recipes, nutrition calculations, and laboratory-style measurement.
This page uses the US customary tablespoon, not the Australian tablespoon or an informal household spoon. The exact value follows from three US teaspoons per tablespoon.
Reviewed August 16, 2026.
Calculation
US tablespoon to Milliliter formula
mL = tbsp × 14.786765
Calculations retain full precision and the result is rounded only for display.
Worked example
For 10 tbsp, the result is 147.867648 mL. Substitute 10 tbsp into the formula to obtain 147.867648 mL.
A numerical value expressed in milliliter is usually larger than the same measurement expressed in us tablespoon, because 1 tbsp equals 14.786765 mL.
US tablespoon to Milliliter reference table
Common values rounded to a maximum of 6 decimal places.
| US tablespoon (tbsp) | Milliliter (mL) |
|---|---|
| 1 tbsp | 14.786765 mL |
| 5 tbsp | 73.933824 mL |
| 10 tbsp | 147.867648 mL |
| 50 tbsp | 739.338239 mL |
| 100 tbsp | 1,478.676478 mL |
Understanding the units
About US tablespoon and Milliliter
US tablespoon (tbsp)
One us tablespoon (tbsp) equals 0.014786765 L, the base relationship used for this volume conversion.
Milliliter (mL)
One milliliter (mL) equals 0.001 L, the base relationship used for this volume conversion.
When this conversion is useful
US tablespoon to Milliliter conversion is useful for recipes, beverage quantities, fuel volumes, laboratory measurements, and container capacities. It lets you compare the same volume or capacity across documents, tools, or standards that use different units.
Learn with Convr
Conversion guides
Metric vs Imperial Units: A Practical Comparison
Understand how metric, US customary, and Imperial units differ, where each system is used, and how to convert between them reliably.
Read guide →Everyday conversionsUS Gallons vs Imperial Gallons: What Is the Difference?
Compare US liquid gallons and Imperial gallons, understand their exact liter values, and avoid common fuel and recipe conversion errors.
Read guide →Answers at a glance
Frequently asked questions
How many milliliters are in a US tablespoon?
One US customary tablespoon equals exactly 14.78676478125 milliliters.
Can I treat one tablespoon as 15 mL in a recipe?
Many metric recipes use 15 mL as a practical kitchen tablespoon, but the exact US customary value is slightly smaller.
How does Convr round US tablespoon to Milliliter results?
Convr keeps full numeric precision during the calculation and rounds only the displayed result. The default is a maximum of 6 decimal places, with selectable precision on this page.
Can I convert negative or decimal us tablespoon values?
Yes. The converter accepts positive, negative, decimal, and scientific-notation values. Negative values are physically meaningful for some scales, such as temperature, but not for every measured quantity.
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