Tablespoons to Teaspoons Converter
Convert tablespoon (us) to teaspoon (us) instantly. 1 tbsp = 3 tsp, worked steps and a full reference table.
How to use it
- Type the value in tablespoon (us) — the result updates as you type.
- Use Swap to flip the direction, or change either dropdown to convert between any two units.
- Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.
Examples
| 1 tbsp | 3 tsp |
| 5 tbsp | 15 tsp |
| 10 tbsp | 30 tsp |
| 100 tbsp | 300 tsp |
One tablespoon (us) equals 3 teaspoon (us)s (tsp). To convert tablespoon (us)s to teaspoon (us)s, multiply by 3; to go back the other way, multiply by 0.33333333 instead.
The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.
What tablespoon (us)s and teaspoon (us)s actually measure
Tablespoon (US) (tbsp) — A US tablespoon is three teaspoons, about 14.79 millilitres. Cooking, where the UK and Australian versions differ slightly.
Teaspoon (US) (tsp) — A US teaspoon is about 4.93 millilitres. Cooking and medicine measures.
Tablespoons to Teaspoons conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| tbsp | tsp |
|---|---|
| 1 tbsp | 3 tsp |
| 2 tbsp | 6 tsp |
| 5 tbsp | 15 tsp |
| 10 tbsp | 30 tsp |
| 25 tbsp | 75 tsp |
| 50 tbsp | 150 tsp |
| 100 tbsp | 300 tsp |
How to convert tablespoon (us)s to teaspoon (us)s by hand
Multiply the number of tablespoon (us)s by 3.
For example, 25 tbsp × 3 = 75 tsp.
Going the other way, divide by 3 — or multiply by 0.33333333, which is the same thing and easier to do in your head.
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Questions people ask
How many tsp are in 1 tbsp?
1 tbsp equals exactly 3 tsp. Multiply any value in tablespoon (us) by 3 to get teaspoon (us).
Is anything uploaded to a server?
No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.
Last updated 18 August 2026