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US tablespoons to teaspoons

Scale a recipe using US customary spoons. One US tablespoon is three US teaspoons.

◫ Volume Instant conversion

1 US tbsp ≈ 3 US tsp

Edit either value. Use a decimal point; commas group thousands. Rounding affects display only.

THE METHOD

How to convert us tablespoons to us teaspoons

Scale a recipe using US customary spoons. One US tablespoon is three US teaspoons.

US tsp = US tbsp × 3

Formula coefficients shown rounded. Calculations use the stored factors before display rounding.

A worked example

For 10 US tbsp, the result is approximately 30 US tsp. To go the other way, edit the result above or swap the units.

Know your units

US liquid and imperial measures differ. US customary cups are 236.5882365 mL; metric cups are 250 mL. Grams need a substance density and cannot be converted directly to mL.

Where the numbers come from

Factors follow NIST conversion references and documented unit definitions. Read our accuracy and rounding notes.

The table and method describe this page’s original pair. Changing units above does not change this reference section.

US tablespoons to US teaspoons reference table
US tablespoons (US tbsp)US teaspoons (US tsp)
13
26
515
1030
2060
2575
50150
100300
5001500
10003000