A US teaspoon is one third of a US tablespoon.
Teaspoons to Centiliters Converter — tsp to cL
Convert Teaspoon (tsp) to Centiliter (cL) using the exact conversion factor (1 teaspoon = 0.4928921594 centiliter). See the formula, worked examples, conversion table, and common uses.
Teaspoons to Centiliters 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.
Centiliter is 0.01 liter units.
Result = input x 4.92892159e-6 / 1e-5.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Teaspoons to Centiliters
Teaspoon and Centiliter 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
centiliters = teaspoons × 0.492892159375
This factor comes from each unit's defined relationship to the category's base unit: 1 teaspoon equals 0.00000492892159375 base units, and 1 centiliter equals 0.00001 base units, so dividing one by the other gives the direct teaspoon-to-centiliter factor of 0.492892159375.
Simple example
1 tsp × 0.4928921594 = 0.4928921594 cL
1 teaspoon = 0.4928921594 centiliters.
Real-world example
10 tsp × 0.4928921594 = 4.928921594 cL
10 teaspoons = 4.928921594 centiliters.
Conversion table
| Teaspoon (tsp) | Centiliter (cL) |
|---|---|
| 1 tsp | 0.4928921594 cL |
| 5 tsp | 2.464460797 cL |
| 10 tsp | 4.928921594 cL |
| 25 tsp | 12.32230398 cL |
| 50 tsp | 24.64460797 cL |
| 100 tsp | 49.28921594 cL |
Reverse conversion: Centiliter to Teaspoon
0.4928921594 cL × 2.028841362 = 1 tsp
0.4928921594 centiliters = 1 teaspoons.
teaspoons = centiliters × 2.02884136211
For a page dedicated to this direction, see Centiliter 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 Centiliter (cL)
Centiliter is 0.01 liter units.
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 centiliters are in 1 teaspoon?
1 teaspoon equals 0.4928921594 centiliters, using the exact defined conversion factor rather than an estimate.
How do I convert teaspoon to centiliter?
Multiply the teaspoon value by 0.4928921594. The converter above does this instantly to whatever precision you set.
How do I convert centiliter back to teaspoon?
Use the reverse factor: 1 centiliter equals 2.028841362 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 centiliter?
Centiliter (cL) is a unit of volume.
Is the teaspoon to centiliter 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)