Tablespoons to Teaspoons

Convert tablespoons to teaspoons instantly, with a reference table.

Tablespoons (US) (tbsp)

Teaspoons (US) (tsp)

Tablespoons (US) to Teaspoons (US) conversion table

Tablespoons (US) (tbsp)	Teaspoons (US) (tsp)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	27
10	30

Formula: 1 tbsp = 3 tsp. To convert, multiply your tablespoons (us) figure by 3.

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About the Tablespoons to Teaspoons

Tablespoons to Teaspoons is a free converter that turns a tablespoon (tbsp) measurement into the equivalent number of teaspoons (tsp). In both the US customary and modern metric systems, one tablespoon equals exactly three teaspoons, so the math is simply tablespoons multiplied by three. The tool handles whole numbers and fractions alike: 1 tbsp becomes 3 tsp, half a tablespoon becomes 1.5 tsp, and 2 tbsp becomes 6 tsp. It exists because recipes mix the two units freely, and grabbing the right spoon matters far more than it looks for small, potent ingredients.

Reach for this converter whenever a recipe lists tablespoons but you only have a teaspoon to hand, or when you are scaling a dish up or down and need to recheck small quantities. It is genuinely useful for leavening agents, salt, baking soda, yeast, spices, and extracts, where the gap between a teaspoon and a tablespoon can flatten a cake or overwhelm a sauce. Bakers, home cooks, and anyone halving or doubling a recipe use it to keep ratios honest. Because the conversion is constant, you also get a quick mental check: any tablespoon figure simply triples.

Under the hood the tool applies the fixed 3:1 ratio directly in your browser. You type a tablespoon value, it multiplies by three and shows the teaspoon result, including clean fractions for partial spoons. Nothing is rounded away on standard amounts, since the relationship is exact rather than an approximation. One important caveat: the 3 teaspoons per tablespoon rule holds for the US and metric systems (15 mL tablespoon, 5 mL teaspoon). The older UK imperial tablespoon and the Australian tablespoon are larger, so check your spoon's origin if a recipe predates metric standardisation.

All calculations run on your device, so nothing you enter is uploaded, stored, or shared, and the converter works the same whether you are online or offline once the page has loaded. Results are exact for the US and metric standard because the tablespoon-to-teaspoon ratio is a defined whole number, not a measured estimate. The only accuracy risk comes from the physical spoon you use rather than the math: a heaping spoonful or a mismatched measuring set will skew the real amount far more than any rounding here ever could.

Frequently asked questions

How many teaspoons are in a tablespoon?

There are exactly 3 teaspoons in 1 tablespoon under both the US customary and metric systems. To convert, multiply any tablespoon amount by three.

How many teaspoons are in half a tablespoon?

Half a tablespoon equals 1.5 teaspoons (one and a half). The same 3:1 ratio applies to fractions, so you multiply 0.5 by 3.

How do I convert 2 or 3 tablespoons to teaspoons?

Multiply by three: 2 tablespoons is 6 teaspoons and 3 tablespoons is 9 teaspoons. The pattern continues for any whole or fractional amount.

Is the 3 teaspoons per tablespoon rule the same in the UK and Australia?

Modern UK metric measuring spoons follow the 3:1 ratio (15 mL tablespoon, 5 mL teaspoon). The older UK imperial tablespoon and the Australian 20 mL tablespoon are larger, giving roughly 4 teaspoons, so check which spoon your recipe assumes.

Why does the difference between a teaspoon and a tablespoon matter so much?

For potent ingredients like salt, baking soda, baking powder, yeast, or extracts, using a tablespoon where a teaspoon was meant triples the amount and can ruin the dish. Confirming the unit before measuring prevents costly mistakes.

From our blog

Fluid Ounces to Cups: The 8-to-1 Rule and When It Breaks

By the Super Simple Digital Tools Team · Updated June 2026

Almost every kitchen conversion between fluid ounces and cups rests on a single fact: in the US system, one cup holds eight fluid ounces. Lock that ratio in and the rest is just division. Sixteen fluid ounces is two cups, four fluid ounces is half a cup, and two fluid ounces is a quarter cup. Once the 8-to-1 rule feels automatic, you can read a recipe written in either unit and translate on the fly without reaching for a calculator at all.

The reason a tool still helps is that real-world numbers rarely land on clean cup boundaries. Beverage cans and food cartons are sized for marketing and shipping, not for tidy fractions, so you end up with quantities like 12, 20, or 24 fluid ounces. Twelve divides into 1.5 cups and twenty into 2.5 cups, but odd figures such as 7 or 22 fluid ounces produce decimals that are awkward to eyeball at the counter. Entering the exact number and reading back the precise cup value removes that guesswork.

There is one trap that catches cooks who work from international recipes: not all cups are equal. The US cup is 8 fluid ounces, roughly 237 milliliters, while the UK imperial cup is 10 fluid ounces, about 284 milliliters, making it nearly 20 percent larger. The fluid ounces themselves differ too, with the US fluid ounce around 4 percent bigger than the imperial one. In baking, where ratios of liquid to flour decide texture, that gap can be the difference between a tender crumb and a dense, wet result.

Keep firmly in mind that this conversion is for liquids measured by volume. A fluid ounce is a measure of space, but a plain ounce on a food label is usually a measure of weight. Eight ounces of water happens to fill one cup, but eight ounces of flour by weight occupies far more than a cup of space, because flour is lighter than water. Whenever a recipe lists dry ingredients in ounces, treat that as weight and use a kitchen scale or an ingredient-specific chart rather than this volume converter.

Put together, the workflow is fast and reliable. Identify whether your figure is a liquid volume in US fluid ounces, type it in, and read the cup value. Use the result to fill a standard liquid measuring cup, checking at eye level for the most accurate read. For anything written in imperial cups or measured by weight, switch to the matching tool. Within those boundaries, fluid ounces to cups is one of the most dependable conversions in any kitchen.

Memorize three anchors: 8 fl oz = 1 cup, 16 fl oz = 2 cups, 4 fl oz = half a cup. Most other amounts are easy to interpolate from these.
When a result is a decimal like 0.75 cup, translate it to fractions you can measure: 0.75 is three-quarters and 0.25 is one-quarter of a cup.
If a recipe comes from a British or Australian source, confirm whether it uses imperial or metric cups before trusting an 8-to-1 conversion.
Use a liquid measuring cup with a spout and read the meniscus at eye level; dry measuring cups are not meant for accurate liquid volumes.

Read the full guide →

Tool by the Super Simple Digital Tools Team. Reviewed by our editorial team. Free to use, no signup required.