Tablespoon to Teaspoon Converter

Quickly convert between tablespoons, teaspoons, milliliters, and cups. 1 tablespoon = 3 teaspoons = 15ml.

Quick Reference Chart

Tablespoons Teaspoons ml Cup
¼ tbsp¾ tsp3.7 ml1/64 cup
½ tbsp1½ tsp7.4 ml1/32 cup
1 tbsp3 tsp15 ml1/16 cup
2 tbsp6 tsp30 ml⅛ cup
4 tbsp12 tsp60 ml¼ cup
8 tbsp24 tsp120 ml½ cup
16 tbsp48 tsp240 ml1 cup

Related Guides

How to Use This Converter

Enter an amount, select your starting unit, and the converter instantly shows the equivalent in tablespoons, teaspoons, milliliters, and cups. Useful for scaling recipes, adjusting spice amounts, or converting between US and metric measurements.

Tablespoon vs Teaspoon: Key Differences

A tablespoon (tbsp) is exactly 3 times larger than a teaspoon (tsp). In US cooking, 1 tablespoon equals 14.79ml and 1 teaspoon equals 4.93ml. Confusing the two is one of the most common kitchen mistakes — using a tablespoon instead of a teaspoon of salt, baking soda, or cayenne triples the amount and can ruin a dish.

Tablespoons are used for larger quantities: oils, butter, sauces, and wet ingredients. Teaspoons handle smaller amounts: spices, extracts, leavening agents, and seasonings. Most measuring spoon sets include ¼ tsp, ½ tsp, 1 tsp, and 1 tbsp as the standard four.

Tablespoon to Cup Conversions

Knowing how tablespoons relate to cups saves you from digging out the right measuring cup mid-recipe.

CupsTbspTsp
⅛ cup2 tbsp6 tsp
¼ cup4 tbsp12 tsp
⅓ cup5 tbsp + 1 tsp16 tsp
½ cup8 tbsp24 tsp
¾ cup12 tbsp36 tsp
1 cup16 tbsp48 tsp

For a full cups-to-tablespoons converter, see the Cups to Tablespoons Calculator.

Frequently Asked Questions

How many teaspoons in a tablespoon?

There are exactly 3 teaspoons in 1 tablespoon. If a recipe calls for 1 tablespoon and you only have a teaspoon measure, use it 3 times. For 2 tablespoons, use the teaspoon 6 times.

How many tablespoons in ¼ cup?

There are 4 tablespoons in ¼ cup. A full cup has 16 tablespoons: ¼ cup = 4 tbsp, ⅓ cup = 5 tbsp + 1 tsp, ½ cup = 8 tbsp, ¾ cup = 12 tbsp. These are useful to know when scaling recipes or when you're missing the right measuring cup.

How many ml is a tablespoon?

1 US tablespoon is 14.79ml, typically rounded to 15ml in recipes. 1 teaspoon is 4.93ml, typically rounded to 5ml. For metric recipes, these rounded values are accurate enough for all practical cooking purposes.

Is a tablespoon the same in every country?

Not quite. A US tablespoon is 14.79ml. An Australian tablespoon is 20ml — significantly larger, equal to 4 teaspoons instead of 3. A UK tablespoon is typically 15ml. For most cooking the difference is negligible, but it matters for leavening agents and strong spices in baking.

What's the abbreviation for tablespoon and teaspoon?

Tablespoon is abbreviated as tbsp, Tbsp, tbs, T, or Tb — tbs and tbsp mean the same thing, just written differently. Teaspoon is abbreviated as tsp or t (lowercase). In recipes, the capital T often means tablespoon and lowercase t means teaspoon — pay close attention to the case when reading older recipes.

Why Precision Matters More for Small Amounts

Mixing up a tablespoon and teaspoon has a much bigger impact than a similar mistake with cups, because the ratio between them (3x) is large relative to the total quantity typically involved. Using 1 tablespoon of salt instead of 1 teaspoon in a dish meant to serve 4 doesn't just add "a bit more" salt — it triples it, which is usually enough to make a dish inedible. This is especially true for baking soda, baking powder, cayenne, and other potent ingredients where the entire dish hinges on a small measured amount.

Measuring Tips for Accuracy

For dry ingredients like spices and baking soda, dip the measuring spoon into the container and level off the top with a flat edge (the back of a knife works well) — don't just estimate a "heaping" spoonful unless the recipe specifically calls for one. For liquids, fill the spoon to the brim without letting it overflow; surface tension lets liquid dome slightly above the rim without spilling, which is normal and expected.

If you don't have a full set of measuring spoons, remember the anchor ratios: 3 teaspoons = 1 tablespoon, and 2 tablespoons = ⅛ cup. From there, you can approximate most other amounts by combining what you have.

Can I use a regular spoon instead of a measuring spoon?

Not reliably. A typical flatware tablespoon or teaspoon can vary by 30-50% from the standardized 15ml/5ml measurements, since cutlery isn't manufactured to a cooking standard. For anything beyond a rough approximation, use actual measuring spoons — they're inexpensive and remove this entire source of error.

How do I measure half a teaspoon accurately without a ½ tsp spoon?

Fill a full teaspoon and use the back of a knife to divide it visually in half lengthwise, then level off one half and discard (or keep) the rest. Alternatively, many measuring spoon sets include a dedicated ½ tsp size — worth adding to your kitchen if you frequently halve recipes.