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15 Teaspoons to Tablespoons

15 teaspoons equals 5 tablespoons. Use the formula, worked example, and conversion table below to check the math.

15 tsp = 5 tbsp
tsp ÷ 3 = tbsp
Try: 10 tsp to tbsp 14 tsp to tbsp 16 tsp to tbsp 20 tsp to tbsp
15 tsp is also
15 tsp = 0.0739 L 15 tsp = 0.0195 gal 15 tsp = 73.93 mL 15 tsp = 0.3125 cup 15 tsp = 2.5 fl oz 15 tsp = 0.1563 pt 15 tsp = 0.0781 qt
tsp
5 tbsp

Step-by-Step Calculation

tsp ÷ 3 = tbsp
  1. Start with 15 tsp
  2. Divide by 3: 15 ÷ 3 = 5
  3. Result: 15 tsp = 5 tbsp

This conversion factor (0.333333) is the same for every teaspoon to tablespoon calculation.

Teaspoon to Tablespoon Conversion Table

Teaspoons (tsp) Tablespoons (tbsp)
1 tsp 0.3333 tbsp
2 tsp 0.6667 tbsp
5 tsp 1.67 tbsp
10 tsp 3.33 tbsp
15 tsp 5 tbsp
20 tsp 6.67 tbsp
25 tsp 8.33 tbsp
50 tsp 16.67 tbsp
75 tsp 25 tbsp
100 tsp 33.33 tbsp
250 tsp 83.33 tbsp
500 tsp 166.67 tbsp
1,000 tsp 333.33 tbsp
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Frequently Asked Questions

15 teaspoons equals 5 tablespoons.
The formula is: tsp ÷ 3 = tbsp. See the tsp to tbsp formula page for worked examples.
Use the tablespoons to teaspoons converter. The reverse formula is: tbsp × 3 = tsp.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (tsp ÷ 3 = tbsp) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026