Teaspoons to Tablespoons Converter
Convert teaspoons to tablespoons — divide by three. Results update as you type; exact factors shown.
One teaspoon (metric) is 0.3333 tablespoon (metric) — see the exact factor, not a rounded rule of thumb.
How the teaspoons to tablespoons converter works
Volumes convert through the liter (exactly 1 dm³). The US gallon is exactly 3.785411784 L (231 cubic inches); the imperial gallon is exactly 4.54609 L. A US fluid ounce is 29.5735 mL, an imperial fluid ounce 28.4131 mL; a US pint is 16 US fl oz, an imperial pint 20 imperial fl oz.
The US uses customary units (US gallon, short ton, °F) in daily life; NIST SP 811 gives the exact SI factors.
Common volume conversions
| From | To | Units |
|---|---|---|
| 1 tsp | 0.3333 tbsp | teaspoon (metric) to tablespoon (metric) |
| 1.5 tsp | 0.5 tbsp | teaspoon (metric) to tablespoon (metric) |
| 2 tsp | 0.6667 tbsp | teaspoon (metric) to tablespoon (metric) |
| 3 tsp | 1 tbsp | teaspoon (metric) to tablespoon (metric) |
| 4 tsp | 1.3333 tbsp | teaspoon (metric) to tablespoon (metric) |
| 6 tsp | 2 tbsp | teaspoon (metric) to tablespoon (metric) |
| 8 tsp | 2.6667 tbsp | teaspoon (metric) to tablespoon (metric) |
| 9 tsp | 3 tbsp | teaspoon (metric) to tablespoon (metric) |
| 12 tsp | 4 tbsp | teaspoon (metric) to tablespoon (metric) |
| 15 tsp | 5 tbsp | teaspoon (metric) to tablespoon (metric) |
| 24 tsp | 8 tbsp | teaspoon (metric) to tablespoon (metric) |
| 48 tsp | 16 tbsp | teaspoon (metric) to tablespoon (metric) |
Units in this converter and their exact factors
| Unit | Symbol | One unit in liters |
|---|---|---|
| milliliter | mL | 0.001 liter |
| liter | L | 1 liter |
| cubic meter | m³ | 1,000 liter |
| teaspoon (metric) | tsp | 0.005 liter |
| tablespoon (metric) | tbsp | 0.015 liter |
| cup (metric) | cup | 0.25 liter |
| US fluid ounce | US fl oz | 0.0295735296 liter |
| US cup | US cup | 0.2365882365 liter |
| US pint | US pt | 0.473176473 liter |
| US gallon | US gal | 3.785411784 liter |
| imperial fluid ounce | imp fl oz | 0.0284130625 liter |
| imperial pint | imp pt | 0.56826125 liter |
| imperial gallon | imp gal | 4.54609 liter |
| cubic foot | ft³ | 28.316846592 liter |
FAQFrequently asked questions about volume conversion
How many teaspoons make a tablespoon?
Three in the UK and US; four in Australia.
What is 6 teaspoons?
Two tablespoons.
Which is bigger, a teaspoon or a tablespoon?
A tablespoon, by three times.
Can I use cutlery to measure?
Not reliably — table cutlery varies enormously. Use measuring spoons.
How many teaspoons in 30 mL?
Six metric teaspoons.
Where these figures come from
- BIPM — The International System of Units (SI Brochure, 9th edition) — definitions of the base and derived units.
- NIST Special Publication 811 — Guide for the Use of the International System of Units — the exact conversion factors used here.
- National Institute of Standards and Technology (NIST) — United States's national measurement authority.
Last checked: September 2026. Conversion factors are fixed by definition and do not change with tax years or regulations.