At One Place

Tablespoons to teaspoons

1 tablespoon in teaspoons
1 tbsp = 3 tsp
tsp = tbsp × 3

To convert tablespoons to teaspoons, multiply by 3. The table below gives the values people look up most often, and the converter works for any number.

Tablespoons to teaspoons table

Common tablespoon values converted to teaspoons.
Tablespoons Teaspoons
1 tbsp 3
2 tbsp 6
3 tbsp 9
4 tbsp 12
5 tbsp 15
10 tbsp 30
15 tbsp 45
20 tbsp 60
25 tbsp 75
30 tbsp 90
40 tbsp 120
50 tbsp 150
75 tbsp 225
100 tbsp 300
250 tbsp 750
500 tbsp 1,500
1,000 tbsp 3,000

How the conversion works

The relationship is tsp = tbsp × 3. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.

Common questions

How many teaspoons are in one tablespoon?
One tablespoon equals 3 teaspoons. tsp = tbsp × 3.
How do you convert tablespoons to teaspoons?
Use tsp = tbsp × 3. So 10 tbsp is 30 tsp.
How many tablespoons are in one teaspoon?
One teaspoon equals 0.33333 tablespoons, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked