+8 votes
I need exact standard conversions for portioning and meal prep. How many milliliters of liquid are in one tablespoon and one teaspoon?
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4 Answers

+2 votes
Best answer
Hello Viktor. For standard culinary portioning and meal prep, the standard conversions are straightforward:

One standard teaspoon is equal to 5 milliliters (mL).

One standard tablespoon is equal to 15 milliliters (mL), which is equal to 3 teaspoons.

To be completely precise with the underlying standards: in modern metric cooking and nutrition labeling across most of the world (including the US standard measuring spoons), these values are standardized to exactly 5 mL and 15 mL. If you are converting from strict US customary fluid measurements, 1 US teaspoon is technically 4.93 mL and 1 US tablespoon is 14.79 mL, but culinary tools and standard recipes always round these to 5 mL and 15 mL for practical use.

As a quick note, if you ever follow Australian recipes, be aware that an Australian tablespoon is standardized to 20 mL (4 teaspoons) rather than 15 mL. Otherwise, using 5 mL for a teaspoon and 15 mL for a tablespoon is the standard practice. I hope this helps with your meal prep!
by chef (168k points)
selected by chef
+9 votes
Your looking at 5 ml for a teaspoon and 15 ml for a tablespoon. Its very easy to portion out for healthy meals
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+8 votes
In standard culinary measurements, one teaspoon contains 5 milliliters of liquid, and one tablespoon contains 15 milliliters.
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+7 votes
For meal prep and batch cooking easy weeknight dinners, you can rely on 1 teaspoon being 5 mL and 1 tablespoon being 15 mL. Even though strictly technical US liquid measurements are off by a fraction of a decimal, standard measuring spoons in stores are always rounded to 5 mL and 15 mL. Sticking to those whole numbers works perfectly for portioning out bulk dressings or pantry staples.
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