Convert US Teaspoons to Milliliters
1 us teaspoon = 4.9289216 milliliters. Multiply the number of us teaspoons by 4.92892159375.
1 tsp = 4.928921594 mL
Multiply the number of us teaspoons by 4.92892159375.
Results are rounded for display. Double-check values for critical work.
US Teaspoons to Milliliters table
| US Teaspoons | Milliliters |
|---|---|
| 1 tsp | 4.9289216 mL |
| 2 tsp | 9.8578432 mL |
| 3 tsp | 14.786765 mL |
| 4 tsp | 19.715686 mL |
| 5 tsp | 24.644608 mL |
| 10 tsp | 49.289216 mL |
| 20 tsp | 98.578432 mL |
| 25 tsp | 123.22304 mL |
| 50 tsp | 246.44608 mL |
| 100 tsp | 492.89216 mL |
| 500 tsp | 2,464.4608 mL |
| 1000 tsp | 4,928.9216 mL |
US Teaspoons to Milliliters in your head
Multiply by 5.
That lands within 1% of the exact value.
10 tsp → 50 mL in your head, 49.2892 mL exactly.
About these units
The us teaspoon (tsp) is a US customary unit of volume & capacity, equal to 0.0000049289216 cubic meters.
The milliliter (mL) is a metric unit of volume & capacity, equal to 0.000001 cubic meters.
Going the other way, 1 milliliter = 0.20288414 us teaspoons. A US gallon and an imperial gallon differ by about 20%, and the same is true right down to teaspoons. This converter keeps the two systems separate and explicit so a recipe or a fuel figure never comes out a fifth wrong.
Frequently asked
- How many milliliters are in a us teaspoon?
- 1 us teaspoon = 4.9289216 milliliters.
- How do you convert us teaspoons to milliliters?
- Multiply the number of us teaspoons by 4.92892159375.
- What is 10 tsp in mL?
- 10 tsp = 49.289216 mL.