Teaspoon to Milliliter
Professional tsp to mL conversion.
Teaspoon
US teaspoon.
Milliliter
One-thousandth of a liter.
4.92892159
Unit
- AttoliteraL
- FemtoliterfL
- PicoliterpL
- NanoliternL
- Cubic Millimetermm³
- MicroliterµL
- Dropdrop
- Minim (UK)minim (UK)
- Minim (US)minim (US)
- Cubic Centimeter (cc)cm³
- Cubic Centimeter (cc)cc
- MillilitermL
- Dramdr
- Teaspoontsp
- Teaspoon (Metric)tsp (metric)
- Teaspoon (UK)tsp (UK)
- Dessertspoon (US)dsp (US)
- CentilitercL
- Dessertspoondsp
- Dessertspoon (UK)dsp (UK)
- Tablespoontbsp
- Tablespoon (Metric)tbsp (metric)
- Cubic Inchin³
- Tablespoon (UK)tbsp (UK)
- Fluid Ounce (UK/Imperial)fl oz (UK)
- Fluid Ounce (US)fl oz
- DeciliterdL
- Gill (US)gi
- Gill (UK)gi (UK)
- Taza (Spanish)taza
- Cup (US)cup
- Cup (Metric)cup
- Cup (UK)cup (UK)
- Log (Biblical) [L]log
- Log (Biblical)log
- Pint (US)pt
- Pint (Dry, US)pt dry (US)
- Pint (UK/Imperial)pt (UK)
- Quart (US)qt
- Cubic Decimeterdm³
- LiterL
- Quart (Dry, US)qt dry (US)
- Quart (UK/Imperial)qt (UK)
- Cab (Biblical) [L]cab
- Cab (Biblical)cab
- Omer (Biblical)omer
- Board Footbd ft
- Hin (Biblical)hin
- Gallon (US)gal
- Gallon (UK/Imperial)gal (UK)
- Seah (Biblical)seah
- Peck (US)pk (US)
- Peck (UK)pk (UK)
- DekaliterdaL
- Ephah (Biblical)ephah
- Bath (Biblical)bath
- Cubic Footft³
- Bushel (US)bu (US)
- Bushel (UK)bu (UK)
- Decisteredst
- HectoliterhL
- Barrel (Dry, US)bbl dry (US)
- Barrel (US)bbl (US)
- Oil Barrel (US)bbl
- Barrel (UK)bbl (UK)
- Cor (Biblical) [L]cor
- Homer (Biblical) [L]homer
- Cor (Biblical)cor
- Homer (Biblical)homer
- Hogsheadhhd
- Cubic Yardyd³
- Tuntun
- Cubic Meterm³
- KiloliterkL
- Sterest
- CCFccf
- Hundred Cubic Feet100 ft³
- Ton Registerton reg
- Cordcd
- Dekasteredast
- Acre-inchac·in
- MegaliterML
- Acre-footac·ft
- Acre-foot (US Survey)ac·ft (US)
- GigaliterGL
- Cubic Kilometerkm³
- TeraliterTL
- Cubic Milemi³
- PetaliterPL
- ExaliterEL
- Earth's VolumeV⊕
Unit
- AttoliteraL
- FemtoliterfL
- PicoliterpL
- NanoliternL
- Cubic Millimetermm³
- MicroliterµL
- Dropdrop
- Minim (UK)minim (UK)
- Minim (US)minim (US)
- Cubic Centimeter (cc)cm³
- Cubic Centimeter (cc)cc
- MillilitermL
- Dramdr
- Teaspoontsp
- Teaspoon (Metric)tsp (metric)
- Teaspoon (UK)tsp (UK)
- Dessertspoon (US)dsp (US)
- CentilitercL
- Dessertspoondsp
- Dessertspoon (UK)dsp (UK)
- Tablespoontbsp
- Tablespoon (Metric)tbsp (metric)
- Cubic Inchin³
- Tablespoon (UK)tbsp (UK)
- Fluid Ounce (UK/Imperial)fl oz (UK)
- Fluid Ounce (US)fl oz
- DeciliterdL
- Gill (US)gi
- Gill (UK)gi (UK)
- Taza (Spanish)taza
- Cup (US)cup
- Cup (Metric)cup
- Cup (UK)cup (UK)
- Log (Biblical) [L]log
- Log (Biblical)log
- Pint (US)pt
- Pint (Dry, US)pt dry (US)
- Pint (UK/Imperial)pt (UK)
- Quart (US)qt
- Cubic Decimeterdm³
- LiterL
- Quart (Dry, US)qt dry (US)
- Quart (UK/Imperial)qt (UK)
- Cab (Biblical) [L]cab
- Cab (Biblical)cab
- Omer (Biblical)omer
- Board Footbd ft
- Hin (Biblical)hin
- Gallon (US)gal
- Gallon (UK/Imperial)gal (UK)
- Seah (Biblical)seah
- Peck (US)pk (US)
- Peck (UK)pk (UK)
- DekaliterdaL
- Ephah (Biblical)ephah
- Bath (Biblical)bath
- Cubic Footft³
- Bushel (US)bu (US)
- Bushel (UK)bu (UK)
- Decisteredst
- HectoliterhL
- Barrel (Dry, US)bbl dry (US)
- Barrel (US)bbl (US)
- Oil Barrel (US)bbl
- Barrel (UK)bbl (UK)
- Cor (Biblical) [L]cor
- Homer (Biblical) [L]homer
- Cor (Biblical)cor
- Homer (Biblical)homer
- Hogsheadhhd
- Cubic Yardyd³
- Tuntun
- Cubic Meterm³
- KiloliterkL
- Sterest
- CCFccf
- Hundred Cubic Feet100 ft³
- Ton Registerton reg
- Cordcd
- Dekasteredast
- Acre-inchac·in
- MegaliterML
- Acre-footac·ft
- Acre-foot (US Survey)ac·ft (US)
- GigaliterGL
- Cubic Kilometerkm³
- TeraliterTL
- Cubic Milemi³
- PetaliterPL
- ExaliterEL
- Earth's VolumeV⊕
Unit
- AttoliteraL
- FemtoliterfL
- PicoliterpL
- NanoliternL
- Cubic Millimetermm³
- MicroliterµL
- Dropdrop
- Minim (UK)minim (UK)
- Minim (US)minim (US)
- Cubic Centimeter (cc)cm³
- Cubic Centimeter (cc)cc
- MillilitermL
- Dramdr
- Teaspoontsp
- Teaspoon (Metric)tsp (metric)
- Teaspoon (UK)tsp (UK)
- Dessertspoon (US)dsp (US)
- CentilitercL
- Dessertspoondsp
- Dessertspoon (UK)dsp (UK)
- Tablespoontbsp
- Tablespoon (Metric)tbsp (metric)
- Cubic Inchin³
- Tablespoon (UK)tbsp (UK)
- Fluid Ounce (UK/Imperial)fl oz (UK)
- Fluid Ounce (US)fl oz
- DeciliterdL
- Gill (US)gi
- Gill (UK)gi (UK)
- Taza (Spanish)taza
- Cup (US)cup
- Cup (Metric)cup
- Cup (UK)cup (UK)
- Log (Biblical) [L]log
- Log (Biblical)log
- Pint (US)pt
- Pint (Dry, US)pt dry (US)
- Pint (UK/Imperial)pt (UK)
- Quart (US)qt
- Cubic Decimeterdm³
- LiterL
- Quart (Dry, US)qt dry (US)
- Quart (UK/Imperial)qt (UK)
- Cab (Biblical) [L]cab
- Cab (Biblical)cab
- Omer (Biblical)omer
- Board Footbd ft
- Hin (Biblical)hin
- Gallon (US)gal
- Gallon (UK/Imperial)gal (UK)
- Seah (Biblical)seah
- Peck (US)pk (US)
- Peck (UK)pk (UK)
- DekaliterdaL
- Ephah (Biblical)ephah
- Bath (Biblical)bath
- Cubic Footft³
- Bushel (US)bu (US)
- Bushel (UK)bu (UK)
- Decisteredst
- HectoliterhL
- Barrel (Dry, US)bbl dry (US)
- Barrel (US)bbl (US)
- Oil Barrel (US)bbl
- Barrel (UK)bbl (UK)
- Cor (Biblical) [L]cor
- Homer (Biblical) [L]homer
- Cor (Biblical)cor
- Homer (Biblical)homer
- Hogsheadhhd
- Cubic Yardyd³
- Tuntun
- Cubic Meterm³
- KiloliterkL
- Sterest
- CCFccf
- Hundred Cubic Feet100 ft³
- Ton Registerton reg
- Cordcd
- Dekasteredast
- Acre-inchac·in
- MegaliterML
- Acre-footac·ft
- Acre-foot (US Survey)ac·ft (US)
- GigaliterGL
- Cubic Kilometerkm³
- TeraliterTL
- Cubic Milemi³
- PetaliterPL
- ExaliterEL
- Earth's VolumeV⊕
4.92892159
Unit
- AttoliteraL
- FemtoliterfL
- PicoliterpL
- NanoliternL
- Cubic Millimetermm³
- MicroliterµL
- Dropdrop
- Minim (UK)minim (UK)
- Minim (US)minim (US)
- Cubic Centimeter (cc)cm³
- Cubic Centimeter (cc)cc
- MillilitermL
- Dramdr
- Teaspoontsp
- Teaspoon (Metric)tsp (metric)
- Teaspoon (UK)tsp (UK)
- Dessertspoon (US)dsp (US)
- CentilitercL
- Dessertspoondsp
- Dessertspoon (UK)dsp (UK)
- Tablespoontbsp
- Tablespoon (Metric)tbsp (metric)
- Cubic Inchin³
- Tablespoon (UK)tbsp (UK)
- Fluid Ounce (UK/Imperial)fl oz (UK)
- Fluid Ounce (US)fl oz
- DeciliterdL
- Gill (US)gi
- Gill (UK)gi (UK)
- Taza (Spanish)taza
- Cup (US)cup
- Cup (Metric)cup
- Cup (UK)cup (UK)
- Log (Biblical) [L]log
- Log (Biblical)log
- Pint (US)pt
- Pint (Dry, US)pt dry (US)
- Pint (UK/Imperial)pt (UK)
- Quart (US)qt
- Cubic Decimeterdm³
- LiterL
- Quart (Dry, US)qt dry (US)
- Quart (UK/Imperial)qt (UK)
- Cab (Biblical) [L]cab
- Cab (Biblical)cab
- Omer (Biblical)omer
- Board Footbd ft
- Hin (Biblical)hin
- Gallon (US)gal
- Gallon (UK/Imperial)gal (UK)
- Seah (Biblical)seah
- Peck (US)pk (US)
- Peck (UK)pk (UK)
- DekaliterdaL
- Ephah (Biblical)ephah
- Bath (Biblical)bath
- Cubic Footft³
- Bushel (US)bu (US)
- Bushel (UK)bu (UK)
- Decisteredst
- HectoliterhL
- Barrel (Dry, US)bbl dry (US)
- Barrel (US)bbl (US)
- Oil Barrel (US)bbl
- Barrel (UK)bbl (UK)
- Cor (Biblical) [L]cor
- Homer (Biblical) [L]homer
- Cor (Biblical)cor
- Homer (Biblical)homer
- Hogsheadhhd
- Cubic Yardyd³
- Tuntun
- Cubic Meterm³
- KiloliterkL
- Sterest
- CCFccf
- Hundred Cubic Feet100 ft³
- Ton Registerton reg
- Cordcd
- Dekasteredast
- Acre-inchac·in
- MegaliterML
- Acre-footac·ft
- Acre-foot (US Survey)ac·ft (US)
- GigaliterGL
- Cubic Kilometerkm³
- TeraliterTL
- Cubic Milemi³
- PetaliterPL
- ExaliterEL
- Earth's VolumeV⊕
Precision: 8 decimal places
Logic & Formula
To convert Teaspoon to Milliliter, we use the specific conversion ratio for this category. 1 tsp is equal to 4.92892159 mL.
Value in mL = (Value in tsp * 0.00492892) / 0.001
Unit Definitions
Teaspoon
US teaspoon.
Milliliter
One-thousandth of a liter.
Verified 2026 Standards
Industrial Precision
How to convert Teaspoon to Milliliter?
Enter the value in Teaspoon, choose the target unit Milliliter, and the result updates instantly. This page also includes the conversion formula and a quick reference table for verification.
Formula: Value in mL = Value in tsp × 4.92892159
Common Conversions Table
| Value (tsp) | Result (mL) |
|---|---|
| 1 | 4.92892159 |
| 10 | 49.2892159 |
| 25 | 123.22303975 |
| 50 | 246.4460795 |
| 100 | 492.892159 |
| 1000 | 4928.92159 |
FAQ
What is the conversion formula from tsp to mL?
Value in mL = Value in tsp × 4.92892159
What is the smallest unit in Volume?
The smallest unit (as defined on this site) is: Attoliter (aL). For higher precision, convert using a smaller unit first.
Are the results accurate?
Yes. Conversions run locally in your browser using verified ratios and display up to 8 decimals. Some categories like temperature and fuel use specialized formulas.
About this conversion
This page converts Teaspoon to Milliliter using verified ratios and includes tables, examples, and FAQs for quick verification.
Teaspoon
US teaspoon.
Milliliter
One-thousandth of a liter.
Formula and precision
Value in mL = Value in tsp × 4.92892159
1 tsp is equal to 4.92892159 mL.
Yes. Conversions run locally in your browser using verified ratios and display up to 8 decimals. Some categories like temperature and fuel use specialized formulas.
- Use smaller units for higher precision, then convert back if needed.
- Temperature and fuel categories can’t be reduced to one constant multiplier.
- Symbols vary by region (US/UK gallons, metric vs. imperial abbreviations).
- For engineering work, validate with a second reference and keep unit symbols.
Quick examples
Example: 1 tsp = 4.92892159 mL.
| Value (tsp) | Result (mL) |
|---|---|
| 1 | 4.92892159 |
| 12.5 | 61.61151988 |
| 50 | 246.4460795 |
| 100 | 492.892159 |
Common mistakes and definitions
Volume units can vary by region (US vs UK/imperial) and by context (cooking vs laboratory). Use the unit label and symbol to avoid mixing different definitions.
- Mixing US and UK/imperial cups, pints, or gallons.
- Using approximate “kitchen” definitions for lab measurements.
- Ignoring unit symbols when copying values between recipes and packaging labels.
Common Conversions Table
| Teaspoon (tsp) | Milliliter (mL) |
|---|---|
| 1 | 4.92892159 |
| 2 | 9.85784318 |
| 3 | 14.78676477 |
| 5 | 24.64460795 |
| 10 | 49.2892159 |
| 25 | 123.22303975 |
| 50 | 246.4460795 |
| 100 | 492.892159 |
| 250 | 1232.2303975 |
| 500 | 2464.460795 |
| 1000 | 4928.92159 |
Category facts
Smallest unit (on this site)
Attoliter (aL)
Largest unit (on this site)
Earth's Volume (V⊕)
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FAQ
How to convert Teaspoon to Milliliter?
Enter the value in Teaspoon, choose the target unit Milliliter, and the result updates instantly. This page also includes the conversion formula and a quick reference table for verification.
What is the conversion formula from tsp to mL?
Value in mL = Value in tsp × 4.92892159
What is the smallest unit in Volume?
The smallest unit (as defined on this site) is: Attoliter (aL). For higher precision, convert using a smaller unit first.
Why can results differ between websites?
Different standards, rounding rules, and unit definitions can change results. This page shows the formula used for transparency.
Are the results accurate?
Yes. Conversions run locally in your browser using verified ratios and display up to 8 decimals. Some categories like temperature and fuel use specialized formulas.
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Liquid and volumetric conversions across metric and US customary units. Precision is the cornerstone of our platform. We utilize 15-digit floating-point arithmetic to ensure results meet 2026 industrial and academic verification standards. Looking for other types of calculations? Explore our Main Dashboard for 100,000+ precision permutations.