Cups To Grams
Liquid Volume

Teaspoons to mL

Convert teaspoons (tsp) to milliliters (mL) with US Customary (4.93 mL) and Metric (5.0 mL) options.

ModeTeaspoons (tsp) → Milliliters (mL)
tsp
Presets:
Converted Milliliters (mL):
--ml
Milliliters (mL) = Teaspoons × 4.92892 (US) or 5.0 (Metric)

Teaspoons to mL Reference Chart

Live values based on selected inputs
Teaspoons (tsp)Milliliters (mL)Culinary Application
1

Scientific Precision

Culinary conversions account for physical density differences between aerated powders (flour), crystalline solids (sugar), and emulsions (butter).

2

Global Standards

Easily navigate discrepancies between US Customary (236.6 ml), US Legal (240 ml), Metric (250 ml), and UK Imperial measurements.

3

Instant Kitchen Math

Eliminate guesswork while scaling recipes up or down. Copy results with one click for easy note-taking and baking journals.

Frequently Asked Questions

How many mL are in 1 teaspoon?↓
In culinary and metric systems, 1 metric teaspoon is defined as exactly 5.0 milliliters. A US Customary teaspoon is 4.92892 mL (virtually indistinguishable in cooking).
How many mL is 1/2 teaspoon?↓
1/2 teaspoon is approximately 2.5 milliliters.
Can I use a regular eating teaspoon for medicine or precise baking?↓
No. Cutlery spoons vary widely between 3 mL and 7 mL. Always use a calibrated measuring teaspoon (5 mL) for baking leaveners or medicine.