Deciliter is 0.1 liter units.
Deciliters to Teaspoons Converter — dL to tsp
Convert Deciliter (dL) to Teaspoon (tsp) using the exact conversion factor (1 deciliter = 20.28841362 teaspoon). See the formula, worked examples, conversion table, and common uses.
Deciliters 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 0.0001 / 4.92892159e-6.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Deciliters to Teaspoons
Deciliter 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: Deciliter is 0.1 liter units, and a US teaspoon is one third of a US tablespoon.
Formula
teaspoons = deciliters × 20.2884136211
This factor comes from each unit's defined relationship to the category's base unit: 1 deciliter equals 0.0001 base units, and 1 teaspoon equals 0.00000492892159375 base units, so dividing one by the other gives the direct deciliter-to-teaspoon factor of 20.2884136211.
Simple example
1 dL × 20.28841362 = 20.28841362 tsp
1 deciliter = 20.28841362 teaspoons.
Real-world example
10 dL × 20.28841362 = 202.8841362 tsp
10 deciliters = 202.8841362 teaspoons.
Conversion table
| Deciliter (dL) | Teaspoon (tsp) |
|---|---|
| 1 dL | 20.28841362 tsp |
| 5 dL | 101.4420681 tsp |
| 10 dL | 202.8841362 tsp |
| 25 dL | 507.2103405 tsp |
| 50 dL | 1,014.420681 tsp |
| 100 dL | 2,028.841362 tsp |
Reverse conversion: Teaspoon to Deciliter
20.28841362 tsp × 0.04928921594 = 0.9999999999 dL
20.28841362 teaspoons = 0.9999999999 deciliters.
deciliters = teaspoons × 0.0492892159375
For a page dedicated to this direction, see Teaspoon to Deciliter.
Understanding the Deciliter (dL)
Deciliter is 0.1 liter units.
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 deciliter?
1 deciliter equals 20.28841362 teaspoons, using the exact defined conversion factor rather than an estimate.
How do I convert deciliter to teaspoon?
Multiply the deciliter value by 20.28841362. The converter above does this instantly to whatever precision you set.
How do I convert teaspoon back to deciliter?
Use the reverse factor: 1 teaspoon equals 0.0492892159 deciliters. You can also use the swap control in the converter above to flip the direction instantly.
What is a deciliter?
Deciliter (dL) 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 deciliter 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.