Teaspoons to Tablespoons Calculator
Converts US teaspoons to tablespoons (3 tsp = 1 tbsp) and shows millilitre equivalents.
Limitation: Educational kitchen conversion only.
How to Convert Teaspoons to Tablespoons
Enter teaspoons; the calculator divides by three for tablespoons.
Enter the teaspoon amount.
Weigh when it matters
Volume-to-weight charts are averages. For finicky baking, weigh on a kitchen scale.
What the Tablespoon Result Means
Three US teaspoons equal one US tablespoon. Forty-eight teaspoons equal one US cup.
Worked Examples
3 tsp
Inputs
Result
3 ÷ 3 = 1 tablespoon.
1½ tsp
Inputs
Result
Half a tablespoon equals 1½ teaspoons.
Check your cup style
US customary cups differ from metric cups (250 mL). This cluster uses the US legal cup.
Frequently Asked Questions
Still have questions about this calculation?
Try the CalculatorTeaspoon to Tablespoon Formula
Uses US customary ratios anchored to the NIST US cup.
Formula
Direct ratio
tbsp = tsp ÷ 3
Cup link
1 cup = 48 tsp = 16 tbsp
Scientific Background
Assumptions follow published kitchen references cited in sources. Results are rounded for display.
Sources & review
Teaspoons to Tablespoons Calculator documents the references behind its formulas and assumptions. Always treat results as educational estimates, not personalized professional advice.
Last reviewed
July 22, 2026
Reference
nist.gov
https://www.nist.gov/pml/owm/si-unitsFree Calculator Hub methodology
Free Calculator Hub
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See our methodology and corrections policy.