Microliter is 0.000001 liter units.
Microliters to Teaspoons Converter — uL to tsp
Convert Microliter (uL) to Teaspoon (tsp) using the exact conversion factor (1 microliter = 0.0002028841 teaspoon). See the formula, worked examples, conversion table, and common uses.
Microliters 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-9 / 4.92892159e-6.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Microliters to Teaspoons
Microliter 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: Microliter is 0.000001 liter units, and a US teaspoon is one third of a US tablespoon.
Formula
teaspoons = microliters × 0.000202884136211
This factor comes from each unit's defined relationship to the category's base unit: 1 microliter equals 1e-9 base units, and 1 teaspoon equals 0.00000492892159375 base units, so dividing one by the other gives the direct microliter-to-teaspoon factor of 0.000202884136211.
Simple example
1 uL × 0.0002028841362 = 0.0002028841 tsp
1 microliter = 0.0002028841 teaspoons.
Real-world example
10 uL × 0.0002028841362 = 0.0020288414 tsp
10 microliters = 0.0020288414 teaspoons.
Conversion table
| Microliter (uL) | Teaspoon (tsp) |
|---|---|
| 1 uL | 0.0002028841 tsp |
| 5 uL | 0.0010144207 tsp |
| 10 uL | 0.0020288414 tsp |
| 25 uL | 0.0050721034 tsp |
| 50 uL | 0.0101442068 tsp |
| 100 uL | 0.0202884136 tsp |
Reverse conversion: Teaspoon to Microliter
0.0002028841 tsp × 4928.921594 = 0.9999998215 uL
0.0002028841 teaspoons = 0.9999998215 microliters.
microliters = teaspoons × 4928.92159375
For a page dedicated to this direction, see Teaspoon to Microliter.
Understanding the Microliter (uL)
Microliter is 0.000001 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 microliter?
1 microliter equals 0.0002028841 teaspoons, using the exact defined conversion factor rather than an estimate.
How do I convert microliter to teaspoon?
Multiply the microliter value by 0.0002028841362. The converter above does this instantly to whatever precision you set.
How do I convert teaspoon back to microliter?
Use the reverse factor: 1 teaspoon equals 4,928.921594 microliters. You can also use the swap control in the converter above to flip the direction instantly.
What is a microliter?
Microliter (uL) 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 microliter 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.