A US teaspoon is one third of a US tablespoon.
Teaspoons to Cubic Centimeters Converter — tsp to cm3
Convert Teaspoon (tsp) to Cubic Centimeter (cm3) using the exact conversion factor (1 teaspoon = 4.928921594 cubic centimeter). See the formula, worked examples, conversion table, and common uses.
Teaspoons to Cubic Centimeters converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Cubic metric volume unit.
Result = input x 4.92892159e-6 / 1e-6.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Teaspoons to Cubic Centimeters
Teaspoon and Cubic Centimeter 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. Teaspoon is most often used for us recipe and cooking measurement for small quantities.
Formula
cubic centimeters = teaspoons × 4.92892159375
This factor comes from each unit's defined relationship to the category's base unit: 1 teaspoon equals 0.00000492892159375 base units, and 1 cubic centimeter equals 0.000001 base units, so dividing one by the other gives the direct teaspoon-to-cubic centimeter factor of 4.92892159375.
Simple example
1 tsp × 4.928921594 = 4.928921594 cm3
1 teaspoon = 4.928921594 cubic centimeters.
Real-world example
10 tsp × 4.928921594 = 49.28921594 cm3
10 teaspoons = 49.28921594 cubic centimeters.
Conversion table
| Teaspoon (tsp) | Cubic Centimeter (cm3) |
|---|---|
| 1 tsp | 4.928921594 cm3 |
| 5 tsp | 24.64460797 cm3 |
| 10 tsp | 49.28921594 cm3 |
| 25 tsp | 123.2230398 cm3 |
| 50 tsp | 246.4460797 cm3 |
| 100 tsp | 492.8921594 cm3 |
Reverse conversion: Cubic Centimeter to Teaspoon
4.928921594 cm3 × 0.2028841362 = 1 tsp
4.928921594 cubic centimeters = 1 teaspoons.
teaspoons = cubic centimeters × 0.202884136211
For a page dedicated to this direction, see Cubic Centimeter to Teaspoon.
Understanding the Teaspoon
Teaspoon (tsp) measures volume. The US teaspoon is exactly 4.92892159375 milliliters — 1/3 of a US tablespoon and 1/48 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 Teaspoon today
- US recipe and cooking measurement for small quantities
- Medication dosing instructions in the US
- Baking measurement alongside the tablespoon and cup
Understanding the Cubic Centimeter (cm3)
Cubic metric volume unit.
Teaspoon — sources
- NIST Handbook 44, Appendix C — General tables of units including the US teaspoon definition.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic centimeters are in 1 teaspoon?
1 teaspoon equals 4.928921594 cubic centimeters, using the exact defined conversion factor rather than an estimate.
How do I convert teaspoon to cubic centimeter?
Multiply the teaspoon value by 4.928921594. The converter above does this instantly to whatever precision you set.
How do I convert cubic centimeter back to teaspoon?
Use the reverse factor: 1 cubic centimeter equals 0.2028841362 teaspoons. You can also use the swap control in the converter above to flip the direction instantly.
What is a teaspoon?
Teaspoon (tsp) measures volume. The US teaspoon is exactly 4.92892159375 milliliters — 1/3 of a US tablespoon and 1/48 of a US cup. It is classified as a US customary unit.
What is a cubic centimeter?
Cubic Centimeter (cm3) is a unit of volume.
Is the teaspoon to cubic centimeter conversion exact?
Yes. The US teaspoon is exactly 4.92892159375 milliliters — 1/3 of a US tablespoon and 1/48 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 teaspoon still used today?
United States (cooking and recipe measurement)