Tablespoons to Teaspoons Converter
tbsp → tsp · 🧪 Volume
1 Tablespoons = 3.0000081 Teaspoons
How to convert Tablespoons to Teaspoons
To convert Tablespoons to Teaspoons, multiply the value in Tablespoons by 3.0000081. For example, 5 tbsp = 15.000041 tsp.
The Tablespoons-to-Teaspoons conversion comes up often in everyday and professional contexts alike. With 1 tbsp equal to 3.0000081 tsp, you can use the tool above for any value, or scan the table below for the most common Tablespoons amounts and their Teaspoons equivalents.
Volume conversions are essential in the kitchen, in science, and in any situation involving liquids or capacity. They're also one of the trickiest areas because US and UK (imperial) measurements share names but differ in size.
Understanding Tablespoons and Teaspoons
A US gallon (3.785 liters) is noticeably smaller than a UK gallon (4.546 liters) — about 20% less. The same applies to pints, quarts, and fluid ounces. Cups, tablespoons, and teaspoons are the backbone of recipe measurement, while liters and milliliters dominate scientific and most international contexts. This US/UK split is the single biggest source of error in volume conversion.
How accurate is this conversion?
Volume conversions here use the internationally accepted definitions: the US gallon is exactly 3.785411784 liters and the imperial gallon is exactly 4.54609 liters. Always confirm which system a recipe or specification uses before converting.
All conversion factors on ClearUnits are based on internationally recognised standards (the International System of Units, SI, and official definitions). Factors are reviewed for accuracy and the calculator uses full-precision values, rounding only the displayed result.
Quick reference: common Tablespoons to Teaspoons values
The most frequently searched conversions are 1 Tablespoons = 3.0000081 Teaspoons, 5 Tablespoons = 15.000041 Teaspoons, 10 Tablespoons = 30.000081 Teaspoons, and 100 Tablespoons = 300.00081 Teaspoons. The full table further down covers every common value, and the calculator handles any number you need in between.
Pro tip: When following a recipe, check the source country first. A British recipe calling for a pint of liquid means 568 mL, while an American pint is only 473 mL — enough difference to affect the result of baking and sauces.
Tablespoons to Teaspoons — Conversion Table
| Tablespoons (tbsp) | Teaspoons (tsp) |
|---|---|
| 0.1 tbsp | 0.30000081 tsp |
| 0.25 tbsp | 0.75000203 tsp |
| 0.5 tbsp | 1.5000041 tsp |
| 1 tbsp | 3.0000081 tsp |
| 2 tbsp | 6.0000162 tsp |
| 5 tbsp | 15.000041 tsp |
| 10 tbsp | 30.000081 tsp |
| 25 tbsp | 75.000203 tsp |
| 50 tbsp | 150.00041 tsp |
| 100 tbsp | 300.00081 tsp |
| 250 tbsp | 750.00203 tsp |
| 500 tbsp | 1,500.004 tsp |
| 1000 tbsp | 3,000.008 tsp |