Convert Metric Teaspoon to Liter
Convert metric teaspoons to liters instantly. 1 metric teaspoon = 0.005 liter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Liter to Metric Teaspoon converter for the reverse conversion.
Units explained
Metric Teaspoon
A metric teaspoon is exactly 5 milliliters.
Adopted as the standard metric small cooking measure.
Universal in metric recipes and liquid medicine dosing.
Metrication.
Liter
The liter is a metric unit of volume equal to one cubic decimeter (0.001 m³). It is the everyday metric volume unit.
Introduced in France in 1795; redefined in 1964 as exactly one cubic decimeter.
The world's common unit for beverages, fuel, and household liquids.
France, 1795; CGPM 1964.
Metric Teaspoon to Liter conversion formula
The relationship between metric teaspoons and liters:
To convert metric teaspoons to liters, multiply the value in metric teaspoons by 0.005. To reverse, multiply liters by 200.
How to use this converter
Type a value into the calculator. The result in liters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Liter to Metric Teaspoon converter for the reverse direction.
Step-by-step: convert metric teaspoons to liters
- Write down the value in metric teaspoons (tsp).
- Multiply that value by the factor 0.005.
- The product is the equivalent value in liters (L).
- To reverse, multiply the liter value by 200.
Worked examples
Example 1 — Convert 1 tsp to L:
1 × 0.005 = 0.005 L
Example 2 — Convert 100 tsp to L:
100 × 0.005 = 0.5 L
Real-world example — Packaging gauge
A 4-metric teaspoon plastic bag thickness is a common spec for grocery and freezer bags. Converting from metric teaspoons to liters is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 tsp × 0.005 = 0.02 L
Real-world example — Plastic film and laminate thickness
A 500-metric teaspoon sheet is a typical spec for ID-card laminates and film overlays. Converting to liters aligns the value with the unit most CAD systems and material datasheets prefer.
500 tsp × 0.005 = 2.5 L
Metric Teaspoon to Liter conversion table
Standard reference values for converting metric teaspoons to liters:
| Metric Teaspoon [tsp] | Liter [L] |
|---|---|
| 0.01 | 5e-5 |
| 0.1 | 0.0005 |
| 1 | 0.005 |
| 2 | 0.01 |
| 3 | 0.015 |
| 4 | 0.02 |
| 5 | 0.025 |
| 10 | 0.05 |
| 20 | 0.1 |
| 30 | 0.15 |
| 40 | 0.2 |
| 50 | 0.25 |
| 100 | 0.5 |
| 500 | 2.5 |
| 1000 | 5 |
Frequently asked questions
How many liters is 1 metric teaspoon?
How do I convert metric teaspoons to liters?
How do I convert liters back to metric teaspoons?
How many liters is 100 metric teaspoons?
Popular volume unit conversions
Convert Metric Teaspoon to other volume units
Show all Metric Teaspoon conversions
Metric / SI (8 units)
US Customary (Liquid) (8 units)
Imperial (UK) (4 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (2 units)
Sources & references
Conversion factor (1 tsp = 0.005 L) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.