How Many Teaspoons in a Tablespoon?

There are 3 teaspoons in one tablespoon. This is probably the single most important kitchen conversion to memorize, especially if you bake. One teaspoon is about 4.9 mL, and one tablespoon is about 14.8 mL.

🥄 Teaspoon Conversions

🥄 Why Does Confusing Teaspoons and Tablespoons Ruin Recipes?

Because a tablespoon is three times the volume of a teaspoon. One tablespoon of salt instead of one teaspoon will make most dishes inedibly salty. For baking powder or baking soda, the differnce between a teaspoon and tablespoon can mean a cake that collapses or tastes metallic. This is one of the most common cooking mistakes, especially for begginers following recipes quickly.

🥄 Are Measuring Spoons Accurate?

Good ones are, cheap ones often are not. A 2017 consumer study found that some dollar-store measuring spoons were off by as much as 15 to 20%. For casual cooking this doesnt matter much, but for baking or medication dosing, it pays to invest in a proper set. And never use regular silverware teaspoons for measurement. Actual teaspoons from your cutlery drawer vary wildly in size and can hold anywhere from 3 to 7 mL.

💊 Why Do Doctors Use Teaspoons for Medication?

By convention, a medical teaspoon is defined as exactly 5 mL (slightly more than the US culinary teaspoon of 4.9 mL). Liquid medications, cough syrups and childrens medicine are typically dosed in teaspoons or milliliters. Most pharmacists recommend using the measuring cup or syringe that comes with the medicine rather than a kitchen teaspoon, because the dosing accuracy matters far more for medication than for cooking.

📐 How Many Teaspoons in a Cup?

48 teaspoons make one cup. You will almost never need to measure a full cup in teaspoons, but knowing the chain of conversions is helpful: 3 teaspoons = 1 tablespoon, 16 tablespoons = 1 cup, therefore 48 teaspoons = 1 cup. The more practical conversion is that 1 teaspoon equals about 5 mL, which makes it easy to switch between US recipes and metric ones.

🥄 A Pinch, a Dash and a Smidgen Are Real Measurements

Old cookbooks use vague terms that actually have standardized (if rarely used) definitions. A pinch is 1/16 of a teaspoon. A dash is 1/8 of a teaspoon. A smidgen is 1/32 of a teaspoon. You can actually buy measuring spoon sets that include these sizes. Whether anyone truly needs to measure 1/32 of a teaspoon of anything is debatable, but the spoons exist and some specialty bakers swear by them.