10 US teaspoons to milliliters
49.29 mL
10 tsp = 49.29 mL.
milliliters
49.29mL
10 tsp = 49.29 mL
In short
How many milliliters is 10 US teaspoons?
10 tsp = 49.29 mL. 1 US teaspoon = 4.928922 milliliters, so the working is 10 × 4.928922 = 49.29.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 US teaspoon = 4.928922 milliliters 10 × 4.928922 = 49.29
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (mL) | Off by |
|---|---|---|
| Whole number | 49 | −0.28922 |
| 1 decimal | 49.3 | +0.01078 |
| 2 decimals | 49.29 | +0.00078 |
Round trip: take 49.29 mL back the other way and you land on 10.0002 tsp — a drift of 0.0002 tsp. That gap is the rounding, not the conversion.
Frequently asked questions
What is 10 US teaspoons in milliliters?
10 US teaspoons is 49.29 milliliters. 1 US teaspoon = 4.928922 milliliters, so the working is 10 × 4.928922 = 49.29.
How accurate is 49.29 mL?
Rounding to 49.29 mL and converting straight back gives 10.0002 tsp, a drift of 0.0002 tsp from the 10 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
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