US teaspoons to US tablespoons
US teaspoons to US tablespoons (tsp (US) to tbsp (US)) Converter
Convert from
- US cupscup (US)
- MillilitresmL
- Metric cupscup (metric)
- Imperial cups (UK)cup (UK)
- US tablespoonstbsp (US)
- Metric tablespoonstbsp (metric)
- US teaspoonstsp (US)
- Metric teaspoonstsp (metric)
- US fluid ouncesfl oz (US)
- Imperial fluid ounces (UK)fl oz (UK)
- LitresL
- US liquid pintspt (US)
- Imperial pints (UK)pt (UK)
- US liquid quartsqt (US)
- DecilitresdL
- Cubic metresm³
- US gallonsgal (US)
- Imperial gallons (UK)gal (UK)
- Imperial quarts (UK)qt (UK)
- Cubic inchesin³
- Cubic feetft³
- Cubic yardsyd³
- Oil barrels (US)bbl
1 US teaspoon = 0.33333 US tablespoons
Default is 5 significant figures. “Units typed as” decides what words like gallon, pint or cup mean when you type them. Scientific input such as 1e15 or 2.5e-3 works in the value box; type unit names or a whole conversion in the unit picker’s search.
- 1 tsp (US) = 0.33333 tbsp (US)
- 5 tsp (US) = 1.6667 tbsp (US)
- 10 tsp (US) = 3.3333 tbsp (US)
- 25 tsp (US) = 8.3333 tbsp (US)
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How it’s calculated
Three teaspoons make one tablespoon in US, UK and metric measures. Metric spoons are 5 mL and 15 mL; US spoons are 4.93 mL and 14.79 mL; Australia uses a 20 mL tablespoon.
1 tsp (US) ≈ 0.33333333 tbsp (US) · 1 tbsp (US) ≈ 3 tsp (US)
tbsp (US) = tsp (US) ÷ 3
- Divide the value in US teaspoons by 3.
- Equivalently, multiply by 0.3333333333.
- 1 tsp (US) = 0.3333333333 tbsp (US) · 1 tbsp (US) = 3 tsp (US)
Step by step
Find the conversion factor
By definition 1 tsp (US) = 0.00000492892159375 m³ and 1 tbsp (US) = 0.00001478676478125 m³, so 1 tbsp (US) = 3 tsp (US). Source: NIST SP 811 / Handbook 44.
Multiply by the factor written as a fraction
Put tsp (US) in the denominator so it cancels, leaving tbsp (US).
Calculate (unrounded)
Round the answer
Rounded to 5 significant figures.
Answer: 0.33333 tbsp (US)
Formula: tbsp (US) = tsp (US) ÷ 3. Factors last reviewed 2026-10-27.
US teaspoons to US tablespoons conversion table
1 US teaspoon = 0.33333 US tablespoons · 1 tbsp (US) = 3 tsp (US)
- 1 US teaspoon = 0.33333 US tablespoons
- 5 US teaspoons = 1.6667 US tablespoons
- 10 US teaspoons = 3.3333 US tablespoons
- 25 US teaspoons = 8.3333 US tablespoons
- 100 US teaspoons = 33.333 US tablespoons
| US teaspoons (tsp (US)) | US tablespoons (tbsp (US)) |
|---|---|
| 0.125 tsp (US) | 0.041667 tbsp (US) |
| 0.25 tsp (US) | 0.083333 tbsp (US) |
| 0.3333333333 tsp (US) | 0.11111 tbsp (US) |
| 0.5 tsp (US) | 0.16667 tbsp (US) |
| 0.6666666667 tsp (US) | 0.22222 tbsp (US) |
| 0.75 tsp (US) | 0.25 tbsp (US) |
| 1 tsp (US) | 0.33333 tbsp (US) |
| 1.5 tsp (US) | 0.5 tbsp (US) |
| 2 tsp (US) | 0.66667 tbsp (US) |
| 3 tsp (US) | 1 tbsp (US) |
| 4 tsp (US) | 1.3333 tbsp (US) |
| 5 tsp (US) | 1.6667 tbsp (US) |
| 6 tsp (US) | 2 tbsp (US) |
| 8 tsp (US) | 2.6667 tbsp (US) |
FAQ
How do I convert US teaspoons to US tablespoons?
Use tbsp (US) = tsp (US) ÷ 3. Divide the value in US teaspoons by 3.
How many US tablespoons are in 1 US teaspoon?
1 US teaspoon (tsp (US)) equals 0.33333 US tablespoons (tbsp (US)); more precisely 0.3333333333.
How many US teaspoons are in 1 US tablespoon?
1 US tablespoon (tbsp (US)) equals 3 US teaspoons (tsp (US)).
What is 10 tsp (US) in tbsp (US)?
10 US teaspoons = 3.3333 US tablespoons.
Is the US teaspoon a US or a UK unit?
Unitglide uses the US customary US teaspoon. 1/3 US tablespoon = 4.92892159375 mL. US and UK units with the same name can differ, so check which one your source uses.
Is the US tablespoon a US or a UK unit?
Unitglide uses the US customary US tablespoon. 1/2 US fl oz = 14.78676478125 mL. US and UK units with the same name can differ, so check which one your source uses.
What is a US teaspoon?
1/3 US tablespoon = 4.92892159375 mL.
About these units
US teaspoon (tsp (US))
US customary
1 tsp (US) = 0.00000492892159375 m³ (exact)
1/3 US tablespoon = 4.92892159375 mL.
Source: NIST SP 811 / Handbook 44
US tablespoon (tbsp (US))
US customary
1 tbsp (US) ≈ 0.000014786765 m³
1/2 US fl oz = 14.78676478125 mL.
Source: NIST SP 811 / Handbook 44