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Volume • NIST Exact

Milliliters → US Teaspoons

mL → tsp (US)

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Based on U.S. National Institute of Standards

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Milliliters to US Teaspoons Formula

To convert from Milliliters to US Teaspoons, you can use the following formula:

US Teaspoons = Milliliters × NaN

This means you need to multiply your Milliliters value by NaN to get the equivalent value in US Teaspoons.

mL → tsp (US) Reference Table

mL tsp (US)
0.001 mL 0.0002028841362 tsp (US)
0.002 mL 0.0004057682724 tsp (US)
0.003 mL 0.0006086524086 tsp (US)
0.004 mL 0.0008115365448 tsp (US)
0.005 mL 0.001014420681 tsp (US)
0.006 mL 0.001217304817 tsp (US)
0.007 mL 0.001420188953 tsp (US)
0.008 mL 0.00162307309 tsp (US)
0.009 mL 0.001825957226 tsp (US)
0.01 mL 0.002028841362 tsp (US)
0.02 mL 0.004057682724 tsp (US)
0.03 mL 0.006086524086 tsp (US)
0.04 mL 0.008115365448 tsp (US)
0.05 mL 0.01014420681 tsp (US)
0.06 mL 0.01217304817 tsp (US)
0.07 mL 0.01420188953 tsp (US)
0.08 mL 0.0162307309 tsp (US)
0.09 mL 0.01825957226 tsp (US)
0.1 mL 0.02028841362 tsp (US)
0.2 mL 0.04057682724 tsp (US)
0.3 mL 0.06086524086 tsp (US)
0.4 mL 0.08115365448 tsp (US)
0.5 mL 0.1014420681 tsp (US)
0.6 mL 0.1217304817 tsp (US)
0.7 mL 0.1420188953 tsp (US)
0.8 mL 0.162307309 tsp (US)
0.9 mL 0.1825957226 tsp (US)
1 mL 0.2028841362 tsp (US)
1.5 mL 0.3043262043 tsp (US)
2 mL 0.4057682724 tsp (US)
2.5 mL 0.5072103405 tsp (US)
3 mL 0.6086524086 tsp (US)
3.5 mL 0.7100944767 tsp (US)
4 mL 0.8115365448 tsp (US)
4.5 mL 0.9129786129 tsp (US)
5 mL 1.014420681 tsp (US)
5.5 mL 1.115862749 tsp (US)
6 mL 1.217304817 tsp (US)
6.5 mL 1.318746885 tsp (US)
7 mL 1.420188953 tsp (US)
7.5 mL 1.521631022 tsp (US)
8 mL 1.62307309 tsp (US)
8.5 mL 1.724515158 tsp (US)
9 mL 1.825957226 tsp (US)
9.5 mL 1.927399294 tsp (US)
10 mL 2.028841362 tsp (US)
11 mL 2.231725498 tsp (US)
12 mL 2.434609635 tsp (US)
13 mL 2.637493771 tsp (US)
14 mL 2.840377907 tsp (US)
15 mL 3.043262043 tsp (US)
16 mL 3.246146179 tsp (US)
17 mL 3.449030316 tsp (US)
18 mL 3.651914452 tsp (US)
19 mL 3.854798588 tsp (US)
20 mL 4.057682724 tsp (US)
25 mL 5.072103405 tsp (US)
30 mL 6.086524086 tsp (US)
35 mL 7.100944767 tsp (US)
40 mL 8.115365448 tsp (US)
45 mL 9.129786129 tsp (US)
50 mL 10.14420681 tsp (US)
55 mL 11.15862749 tsp (US)
60 mL 12.17304817 tsp (US)
65 mL 13.18746885 tsp (US)
70 mL 14.20188953 tsp (US)
75 mL 15.21631022 tsp (US)
80 mL 16.2307309 tsp (US)
85 mL 17.24515158 tsp (US)
90 mL 18.25957226 tsp (US)
95 mL 19.27399294 tsp (US)
100 mL 20.28841362 tsp (US)
120 mL 24.34609635 tsp (US)
125 mL 25.36051703 tsp (US)
130 mL 26.37493771 tsp (US)
140 mL 28.40377907 tsp (US)
150 mL 30.43262043 tsp (US)
160 mL 32.46146179 tsp (US)
175 mL 35.50472384 tsp (US)
180 mL 36.51914452 tsp (US)
200 mL 40.57682724 tsp (US)
225 mL 45.64893065 tsp (US)
250 mL 50.72103405 tsp (US)
275 mL 55.79313746 tsp (US)
300 mL 60.86524086 tsp (US)
350 mL 71.00944767 tsp (US)
400 mL 81.15365448 tsp (US)
450 mL 91.29786129 tsp (US)
500 mL 101.4420681 tsp (US)
600 mL 121.7304817 tsp (US)
700 mL 142.0188953 tsp (US)
750 mL 152.1631022 tsp (US)
800 mL 162.307309 tsp (US)
900 mL 182.5957226 tsp (US)
1000 mL 202.8841362 tsp (US)
1200 mL 243.4609635 tsp (US)
1250 mL 253.6051703 tsp (US)
1500 mL 304.3262043 tsp (US)
1750 mL 355.0472384 tsp (US)
2000 mL 405.7682724 tsp (US)
2500 mL 507.2103405 tsp (US)
3000 mL 608.6524086 tsp (US)
4000 mL 811.5365448 tsp (US)
4500 mL 912.9786129 tsp (US)
5000 mL 1014.420681 tsp (US)
6000 mL 1217.304817 tsp (US)
7000 mL 1420.188953 tsp (US)
7500 mL 1521.631022 tsp (US)
8000 mL 1623.07309 tsp (US)
9000 mL 1825.957226 tsp (US)
10000 mL 2028.841362 tsp (US)
15000 mL 3043.262043 tsp (US)
20000 mL 4057.682724 tsp (US)
25000 mL 5072.103405 tsp (US)
50000 mL 10144.20681 tsp (US)
75000 mL 15216.31022 tsp (US)
100000 mL 20288.41362 tsp (US)

Values based on NIST SP 811 conversion factors

Why Convert Milliliters to US Teaspoons?

Converting between milliliters (mL) and us teaspoons (tsp (US)) is one of the most common volume conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert mL to tsp (US) saves time and prevents errors.

Volume conversions (mL to tsp (US)) play a key role in the automotive industry, cooking, and chemical manufacturing. Drivers comparing engine displacement or fuel tank capacity need clear conversions to understand vehicle performance and range. In the kitchen, converting liquid ingredients like milk, oil, or broth is essential when adapting recipes from different regions. For industrial applications, mixing chemical solutions requires exact volume measurements to maintain product stability and safety. An error in volume conversion can lead to mechanical failures, ruined culinary creations, or hazardous chemical reactions, making precision indispensable.

How to Convert Milliliters to US Teaspoons

To convert milliliters to us teaspoons, use the following formula:

tsp (US) = mL × 0.2028841362

Example: 1 mL = 0.2028841362 tsp (US)

For example, 5 mL = 1.014420681 tsp (US), 10 mL = 2.028841362 tsp (US), and 100 mL = 20.28841362 tsp (US). For larger values, 1000 mL = 202.8841362 tsp (US). Conversely, 1 tsp (US) = 4.928921594 mL. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

  • Fluid vs Dry: confusing fluid pints/quarts with dry pints/quarts.
  • US vs Imperial: US gallons are smaller than UK Imperial gallons.
  • Cubic conversion: forgetting to cube linear factors (1 m = 100 cm, 1 m³ = 1,000,000 cm³).

Pro Tips

  • Cooking spoon: 1 Tablespoon = 3 Teaspoons = 15 ml.
  • Cup size: A standard US cup is 240ml, but metric cup is often 250ml.
  • Cube visual: 1 cubic meter is a box 1m x 1m x 1m (huge!).

What is a Milliliter?

The milliliter (mL) is a metric unit of volume equal to one-thousandth of a liter. One milliliter occupies the same volume as one cubic centimeter.

Milliliters are used globally for measuring small amounts of liquid, dosages of medicine, beverage packaging, and cooking ingredients.

What is a US Teaspoon?

A US unit of volume for cooking, equal to 1/3 of a tablespoon.

Standard culinary measure for small quantities.

Frequently Asked Questions

Volume More Conversions

L → gal (US)gal (US) → LmL → fl oz (US)fl oz (US) → mLL → cup (US)cup (US) → LL → mLmL → Lgal (US) → qt (US)L → m³

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