Tablespoon to Teaspoon Converter (tbsp ⇄ tsp)

Free online kitchen conversion tool: convert tablespoons to teaspoons and teaspoons to tablespoons instantly. Perfect for recipe scaling, baking accuracy, and quick kitchen math.
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tbsp ⇄ tsp Converter

Tablespoons (tbsp)

Teaspoons (tsp)

Quick Reference

1 tbsp
=
3 tsp
1/2 tbsp
=
1.5 tsp
2 tbsp
=
6 tsp
3 tsp
=
1 tbsp
4.5 tsp
=
1.5 tbsp

Common Fractions and ml

1/4 tbsp
=
0.75 tsp · ~3.75 ml
1/2 tbsp
=
1.5 tsp · ~7.5 ml
1 tbsp
=
3 tsp · 15 ml (US/UK)
1 tbsp (AU)
=
~4 tsp · 20 ml

Standards: US/UK tablespoon = 15 ml; teaspoon = 5 ml. Australia commonly uses 20 ml for 1 tbsp.

Complete Guide: What, Why and How to Convert tbsp ⇄ tsp

What is the tbsp ⇄ tsp conversion?

In US standard measuring spoons, 1 tablespoon (tbsp) equals 3 teaspoons (tsp). Conversely, 1 tsp equals 1/3 tbsp. These are volume measures used for both dry and liquid ingredients when measured with proper spoons.

Why do cooks need it?

  • Recipe scaling: halve or double ingredients without guessing.
  • Missing spoon sizes: replace a tablespoon with teaspoons or vice‑versa.
  • International recipes: some regions list ml, others list spoons.

How to convert instantly

  • tbsp → tsp: multiply by 3 (e.g., 2 tbsp × 3 = 6 tsp)
  • tsp → tbsp: divide by 3 (e.g., 6 tsp ÷ 3 = 2 tbsp)
  • Use our converter above for exact values including fractions and decimals.

Common recipe examples

  • 1/2 tbsp vanilla extract = 1.5 tsp
  • 2 tbsp olive oil = 6 tsp
  • 3 tsp baking powder = 1 tbsp

International notes

Most modern recipes use 15 ml for 1 tablespoon and 5 ml for 1 teaspoon. Australia commonly uses 20 ml as 1 tablespoon—check recipe origin when precision matters.

Measurement tips

  • Level off dry ingredients with a flat edge for accuracy.
  • Use proper measuring spoons, not tableware, for consistent results.
  • For sticky ingredients (honey, syrup), lightly oil the spoon.

Frequently Asked Questions – Tablespoon ⇄ Teaspoon