15 milliliters to US teaspoons
3.04 tsp
15 mL = 3.04 tsp.
US teaspoons
3.04tsp
15 mL = 3.04 tsp
In short
How many US teaspoons is 15 milliliters?
15 mL = 3.04 tsp. 1 milliliter = 0.202884 US teaspoons, so the working is 15 × 0.202884 = 3.04.
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 milliliter = 0.202884 US teaspoons 15 × 0.202884 = 3.04
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 (tsp) | Off by |
|---|---|---|
| Whole number | 3 | −0.04326 |
| 1 decimal | 3.0 | −0.04326 |
| 2 decimals | 3.04 | −0.00326 |
Round trip: take 3.04 tsp back the other way and you land on 14.9839 mL — a drift of 0.0161 mL. That gap is the rounding, not the conversion.
What 15 mL looks like
15 mL
Fifteen millilitres is the metric tablespoon, exactly three metric teaspoons.
Frequently asked questions
What is 15 milliliters in US teaspoons?
15 milliliters is 3.04 US teaspoons. 1 milliliter = 0.202884 US teaspoons, so the working is 15 × 0.202884 = 3.04.
How accurate is 3.04 tsp?
Rounding to 3.04 tsp and converting straight back gives 14.9839 mL, a drift of 0.0161 mL from the 15 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
Milliliters to Teaspoons Converter
Convert milliliters to US teaspoons — for a metric label measured with American spoons.
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