Cubic metric volume unit.
Cubic Centimeters to Teaspoons Converter — cm3 to tsp
Convert Cubic Centimeter (cm3) to Teaspoon (tsp) using the exact conversion factor (1 cubic centimeter = 0.2028841362 teaspoon). See the formula, worked examples, conversion table, and common uses.
Cubic Centimeters to Teaspoons 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.
A US teaspoon is one third of a US tablespoon.
Result = input x 1e-6 / 4.92892159e-6.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic Centimeters to Teaspoons
Cubic Centimeter and Teaspoon 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. Specifically: Cubic metric volume unit, and a US teaspoon is one third of a US tablespoon.
Formula
teaspoons = cubic centimeters × 0.202884136211
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic centimeter equals 0.000001 base units, and 1 teaspoon equals 0.00000492892159375 base units, so dividing one by the other gives the direct cubic centimeter-to-teaspoon factor of 0.202884136211.
Simple example
1 cm3 × 0.2028841362 = 0.2028841362 tsp
1 cubic centimeter = 0.2028841362 teaspoons.
Real-world example
10 cm3 × 0.2028841362 = 2.028841362 tsp
10 cubic centimeters = 2.028841362 teaspoons.
Conversion table
| Cubic Centimeter (cm3) | Teaspoon (tsp) |
|---|---|
| 1 cm3 | 0.2028841362 tsp |
| 5 cm3 | 1.014420681 tsp |
| 10 cm3 | 2.028841362 tsp |
| 25 cm3 | 5.072103405 tsp |
| 50 cm3 | 10.14420681 tsp |
| 100 cm3 | 20.28841362 tsp |
Reverse conversion: Teaspoon to Cubic Centimeter
0.2028841362 tsp × 4.928921594 = 0.9999999999 cm3
0.2028841362 teaspoons = 0.9999999999 cubic centimeters.
cubic centimeters = teaspoons × 4.92892159375
For a page dedicated to this direction, see Teaspoon to Cubic Centimeter.
Understanding the Cubic Centimeter (cm3)
Cubic metric volume unit.
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
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 teaspoons are in 1 cubic centimeter?
1 cubic centimeter equals 0.2028841362 teaspoons, using the exact defined conversion factor rather than an estimate.
How do I convert cubic centimeter to teaspoon?
Multiply the cubic centimeter value by 0.2028841362. The converter above does this instantly to whatever precision you set.
How do I convert teaspoon back to cubic centimeter?
Use the reverse factor: 1 teaspoon equals 4.928921594 cubic centimeters. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic centimeter?
Cubic Centimeter (cm3) is a unit of volume.
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.
Is the cubic centimeter to teaspoon 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.