Volume Converter

Convert between liters, milliliters, cubic meters, cups, fluid ounces, pints, quarts, gallons and cubic volumes.

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Related Conversions
0.5 tsp to mL 1 tsp to mL 2 tsp to mL 3 tsp to mL 4 tsp to mL 6 tsp to mL 8 tsp to mL 12 tsp to mL 16 tsp to mL 24 tsp to mL
Reverse Conversions
50 mL to tsp 100 mL to tsp 200 mL to tsp 250 mL to tsp 330 mL to tsp 355 mL to tsp 500 mL to tsp 750 mL to tsp 1,000 mL to tsp 1,500 mL to tsp 2,000 mL to tsp 3,000 mL to tsp
More Volume Conversions
1 cup to mL 1 gal to L 1 gal to cup 1 gal to qt 1 pt to mL 1 qt to L 1 tbsp to mL 2 L to gal 2 cup to mL 2 gal to L 5 L to gal 5 gal to L

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Popular Conversions

Liters to Gallons (US) Gallons (US) to Liters Milliliters to Fluid Ounces (US) Cups (US) to Milliliters Quarts (US) to Liters Gallons (US) to Cups (US)

Common Benchmarks

Bathtub 80 gal
Shot glass 44 mL
Cup 240 mL
Paint can 1 gal
Gas can 5 gal
Soda bottle 2 L

Formula

mL = tsp × 4.9289215938

Example

Example: convert 0.25 US teaspoons to milliliters.

0.25 tsp = 1.2322304 mL

Conversion table

US teaspoons (tsp) milliliters (mL)
1 tsp 4.92892159 mL
2 tsp 9.85784319 mL
5 tsp 24.64460797 mL
10 tsp 49.28921594 mL
20 tsp 98.57843188 mL
50 tsp 246.44607969 mL
100 tsp 492.89215938 mL

Explanation

Milliliters are used for small liquid volumes in cooking and medicine.

How to convert US teaspoons to milliliters

  1. Start with the value in US teaspoons (tsp).
  2. Multiply it by 4.9289215938.
  3. The result is the measurement in milliliters (mL).

Example: 0.25 tsp → 1.2322304 mL

Frequently Asked Questions

How much is 0.25 US teaspoons in milliliters?

0.25 US teaspoons is about 1.23223 milliliters.

How many milliliters is 1 US teaspoon?

1 US teaspoon is about 4.928922 milliliters.

How many US teaspoons is 1 milliliter?

1 milliliter is about 0.202884 US teaspoons.

What is the difference between US teaspoons and milliliters?

Both measure volume, but they are used in different systems. US teaspoons are mainly used in the US customary system, while milliliters belong to the metric system and are used in most countries.

Where are US teaspoons and milliliters used?

In practice, US teaspoons are used in cooking for small measures (teaspoons), while milliliters are used for small amounts (medicine, cooking, labels, dosing).

Why does 1 US teaspoon equal 4.928922 milliliters?

Because the units are defined with a fixed relationship. To convert US teaspoons to milliliters, multiply by that factor.