A US tablespoon is half a US fluid ounce.
Tablespoons to Cubic Decimeters Converter — tbsp to dm3
Convert Tablespoon (tbsp) to Cubic Decimeter (dm3) using the exact conversion factor (1 tablespoon = 0.0147867648 cubic decimeter). See the formula, worked examples, conversion table, and common uses.
Tablespoons to Cubic Decimeters converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
Cubic metric volume unit.
Result = input x 1.47867648e-5 / 0.001.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Tablespoons to Cubic Decimeters
Tablespoon and Cubic Decimeter appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Tablespoon is most often used for us recipe and cooking measurement.
Formula
cubic decimeters = tablespoons × 0.0147867647812
This factor comes from each unit's defined relationship to the category's base unit: 1 tablespoon equals 0.0000147867647813 base units, and 1 cubic decimeter equals 0.001 base units, so dividing one by the other gives the direct tablespoon-to-cubic decimeter factor of 0.0147867647812.
Simple example
1 tbsp × 0.01478676478 = 0.0147867648 dm3
1 tablespoon = 0.0147867648 cubic decimeters.
Real-world example
10 tbsp × 0.01478676478 = 0.1478676478 dm3
10 tablespoons = 0.1478676478 cubic decimeters.
Conversion table
| Tablespoon (tbsp) | Cubic Decimeter (dm3) |
|---|---|
| 1 tbsp | 0.0147867648 dm3 |
| 5 tbsp | 0.0739338239 dm3 |
| 10 tbsp | 0.1478676478 dm3 |
| 25 tbsp | 0.3696691195 dm3 |
| 50 tbsp | 0.7393382391 dm3 |
| 100 tbsp | 1.478676478 dm3 |
Reverse conversion: Cubic Decimeter to Tablespoon
0.0147867648 dm3 × 67.6280454 = 1.000000001 tbsp
0.0147867648 cubic decimeters = 1.000000001 tablespoons.
tablespoons = cubic decimeters × 67.6280454037
For a page dedicated to this direction, see Cubic Decimeter to Tablespoon.
Understanding the Tablespoon
Tablespoon (tbsp) measures volume. The US tablespoon is exactly 14.78676478125 milliliters — 3 US teaspoons, or 1/16 of a US cup. It is classified as a US customary unit.
Where it's used: United States (cooking and recipe measurement)
Uses of the Tablespoon today
- US recipe and cooking measurement
- Nutrition labeling serving sizes in the US
- Medication dosing instructions in the US
Understanding the Cubic Decimeter (dm3)
Cubic metric volume unit.
Tablespoon — sources
- NIST Handbook 44, Appendix C — General tables of units including the US tablespoon definition.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic decimeters are in 1 tablespoon?
1 tablespoon equals 0.0147867648 cubic decimeters, using the exact defined conversion factor rather than an estimate.
How do I convert tablespoon to cubic decimeter?
Multiply the tablespoon value by 0.01478676478. The converter above does this instantly to whatever precision you set.
How do I convert cubic decimeter back to tablespoon?
Use the reverse factor: 1 cubic decimeter equals 67.6280454 tablespoons. You can also use the swap control in the converter above to flip the direction instantly.
What is a tablespoon?
Tablespoon (tbsp) measures volume. The US tablespoon is exactly 14.78676478125 milliliters — 3 US teaspoons, or 1/16 of a US cup. It is classified as a US customary unit.
What is a cubic decimeter?
Cubic Decimeter (dm3) is a unit of volume.
Is the tablespoon to cubic decimeter conversion exact?
Yes. The US tablespoon is exactly 14.78676478125 milliliters — 3 US teaspoons, or 1/16 of a US cup. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
Where is the tablespoon still used today?
United States (cooking and recipe measurement)