Tsp to Ml

Teaspoons to Milliliters Conversion Formula

To convert US teaspoons to milliliters, use this simple formula:

The US teaspoon is defined as exactly 4.92892159375 milliliters (one sixth of a US fluid ounce), which is why 5 ml is used as the standard rounded teaspoon.

Step-by-Step Volume Conversion Guide

1. Take your volume in teaspoons
2. Multiply it by 4.92892 (the number of milliliters in one teaspoon)
3. Get your result in milliliters

Common Teaspoons to Milliliters Conversions

Practical Applications of Teaspoons to Ml Converter

• Cooking: Measuring spices, extracts, baking soda and other small ingredients
• Medicine: Dosing liquid medications where a teaspoon means 5 ml
• Baking: Converting US recipes to metric measuring spoons and jugs
• Nutrition: Tracking oil, syrup or supplement amounts precisely
• Bartending: Small dashes and measures in cocktail recipes

History of the Teaspoon

The teaspoon began as an actual spoon for stirring tea and became a standardized cooking measure. In the US customary system it is defined as one third of a tablespoon, or exactly 4.92892159375 ml. For everyday cooking and medicine it is rounded to 5 ml, while the metric teaspoon used in Australia and the UK is exactly 5 ml.

Quick Conversion Tips

For quick approximations, remember: 1 teaspoon ≈ 5 ml and 1 tablespoon = 3 teaspoons ≈ 15 ml. For precise results, always use the exact factor of 4.92892.