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teaspoon (tsp) → liter (L)

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Use our free online converter to convert between units instantly. Enter any value in the field above to get accurate results. No signup or download required—all conversions run in your browser. Our calculator uses standard conversion factors for reliability.

0
tsp=L
0.01=0
0.1=0.000493
1=0.004929
2=0.009858
3=0.014787
5=0.024645
10=0.049289
20=0.098578
50=0.246446
100=0.492892
1000=4.92892

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Brief explanation: teaspoon to liter

Liter is the base volume unit in the metric system. US gallon = 3.78 L. Cup = 236 ml. Tablespoon = 15 ml, teaspoon = 5 ml. Volume measures how much space a substance occupies. The metric system (L, mL) is used worldwide. US customary units (gal, cup, tbsp, tsp) are common in American recipes. When converting, use the exact factors for accuracy—especially in cooking and chemistry.

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Common conversion examples: teaspoon to liter

Reference values for quick comparison. Use the converter above for any amount.

  • 1 teaspoon=0.0049 liter
  • 5 teaspoon=0.0246 liter
  • 10 teaspoon=0.0493 liter

About the Units

teaspoon (tsp)

Definition: A teaspoon (tsp) is a unit of volume. In the US, one teaspoon equals approximately 4.929 mL or 1/3 tablespoon. It is the smallest common cooking measure.
History: The teaspoon derived from the size of spoons used for tea. It became a standard cooking measure. US and metric teaspoons are very close (5 mL in metric).
Current use: Teaspoons are used for spices, extracts, and small recipe amounts. Medication dosing often uses teaspoons (5 mL). It is the base for larger cooking measures.

liter (L)

Definition: A liter (L) is a unit of volume equal to one cubic decimeter. One liter of water has a mass of approximately one kilogram at 4°C. It is the standard metric unit for liquid volume.
History: The liter was introduced in France in 1795 as the volume of a cube with 10 cm sides. It was originally called the cadet. The liter is now defined as exactly one cubic decimeter.
Current use: Liters are used for beverages, fuel, and liquid volumes worldwide. Car engine displacement, beverage bottles, and fuel efficiency (e.g., L/100 km) use liters. The US uses gallons for fuel.

Sources

Conversion factors and unit definitions follow international standards. For authoritative references, see: