How do I convert teaspoons to milliliters?

To convert teaspoons to milliliters, use our converter above. Perfect for adjusting recipes between metric and imperial or scaling recipes up or down.

How accurate are these cooking conversions?

Our conversions are precise to several decimal places. For most cooking, rounding to practical measurements works fine - exact precision is rarely needed except in baking.

Teaspoon to Milliliter Converter

Convert Teaspoons to Milliliters instantly

From

tsp

Result

0ml

Milliliter

Conversion Formula

Milliliter = Teaspoon × 4.92892

Where:

tsp = Teaspoon
ml = Milliliter

What is a Teaspoon?

The teaspoon (tsp) is a unit of cooking in the imperial system of measurement.

What is a Milliliter?

The milliliter (ml) is a unit of cooking in the metric system of measurement.

How to Convert Teaspoon to Milliliter

Convert teaspoons to milliliters instantly

Quick Reference:

1 tsp = 4.928920 ml
1 ml = 0.202884 tsp

Common Teaspoon to Milliliter Conversions

1 tsp
= 4.93 ml

5 tsp
= 24.64 ml

10 tsp
= 49.29 ml

25 tsp
= 123.22 ml

50 tsp
= 246.45 ml

100 tsp
= 492.89 ml

Conversion Reference Table

Teaspoon (tsp)	Milliliter (ml)
1	4.9289
2	9.8578
3	14.7868
4	19.7157
5	24.6446
10	49.2892
15	73.9338
20	98.5784
25	123.223
50	246.446
75	369.669
100	492.892
250	1,232.23
500	2,464.46
1,000	4,928.92

Quick reference table showing common teaspoons to milliliters conversions.

Real-World Cooking Conversions

🍰

Baking and Pastries

Precise measurements are crucial for cakes, cookies, and bread. Converting grams to cups or ounces to milliliters ensures your baked goods turn out perfect every time.

🌍

International Recipes

Following recipes from different countries requires converting between metric and imperial. A French recipe in grams needs conversion to cups for US kitchens.

🥛

Liquid Ingredients

Convert between milliliters, fluid ounces, cups, and tablespoons for liquids like milk, oil, and water. Essential for accurate recipe measurements.

🌾

Dry Ingredients

Flour, sugar, and spices need proper conversion between grams and cups. Weight measurements are more reliable than volume for dry ingredients.

📏

Recipe Scaling

Double or halve recipes by converting measurements. Make a family-sized batch or scale down to a single serving with accurate conversions.

👨‍🍳

Professional Cooking

Chefs use precise measurements for consistency. Converting between units helps maintain recipe standards across different kitchen setups.

Cooking Conversion FAQs

Common Conversion Mistakes

⚠Confusing the direction of conversion — always check whether you are converting from Teaspoon to Milliliter or vice versa.
⚠Rounding too early in multi-step calculations. Keep full precision until the final result.
⚠Using outdated or approximate conversion factors. Our converter uses values traceable to international measurement standards.

Sources & Standards

Conversion factors on this page are based on definitions from the International Bureau of Weights and Measures (BIPM) and the National Institute of Standards and Technology (NIST). All factors are accurate to at least 6 decimal places.

Last updated: November 27, 2025