100 mL to tsp — 100 millilitres in US teaspoons
Exact 100 ÷ 4.928922 = 20.288414
100 millilitres in other units
| Litres | 0.1 | L |
|---|---|---|
| Cubic metres | 0.0001 | m³ |
| US teaspoons | 20.288414 | tsp |
| US tablespoons | 6.762805 | tbsp |
| US fluid ounces | 3.381402 | US fl oz |
| US cups | 0.42267528 | US cup |
| US pints | 0.21133764 | US pt |
| US quarts | 0.10566882 | US qt |
| US gallons | 0.02641721 | US gal |
| Imperial fluid ounces | 3.519508 | imp fl oz |
| Imperial pints | 0.1759754 | imp pt |
| Imperial gallons | 0.02199692 | imp gal |
| Cubic feet | 0.003531466672 | ft³ |
| Cubic inches | 6.102374 | in³ |
| Oil barrels | 0.000628981077 | bbl |
mL to tsp at a glance
| Millilitres | US teaspoons |
|---|---|
| 1 mL | 0.20288414 tsp |
| 2 mL | 0.40576827 tsp |
| 3 mL | 0.60865241 tsp |
| 5 mL | 1.014421 tsp |
| 10 mL | 2.028841 tsp |
| 20 mL | 4.057683 tsp |
| 25 mL | 5.072103 tsp |
| 50 mL | 10.144207 tsp |
| 100 mL | 20.288414 tsp |
| 250 mL | 50.721034 tsp |
| 500 mL | 101.442068 tsp |
| 1,000 mL | 202.884136 tsp |
How to convert millilitres to US teaspoons
Multiply by 0.20288414 — one millilitre is 0.20288414 US teaspoons. That factor is exact: it comes from the definition of the units rather than from a measurement, so it will not change and does not need rounding.
Working 100 ÷ 4.928922 = 20.288414
In words: about twenty US teaspoons.
What these units are
The millilitre and the US teaspoon are covered in the volume unit guide, along with every other unit on this page.
Questions
How many US teaspoons are in a millilitre?
One millilitre is 0.20288414 US teaspoons. This figure is exact — it comes from the definition of the unit, not a measurement.
What is 100 millilitres in US teaspoons?
100 millilitres is 20.288414 US teaspoons. The working is 100 ÷ 4.928922 = 20.288414.
Is a gallon the same in the US and the UK?
No. A US gallon is 3.785411784 litres; an Imperial gallon is 4.54609 litres. The Imperial one is about 20% larger, which is why US and UK fuel economy figures for the same car look different.
Which pint does a recipe mean?
Follow the recipe's origin. A US pint is 16 US fluid ounces, roughly 473 mL. An Imperial pint is 20 Imperial fluid ounces, roughly 568 mL. A British pint of milk is noticeably more than an American one.
Can I convert litres to kilograms here?
Not directly — that depends on what you are measuring. Volume becomes mass only once you know the density. Water is the convenient case: one litre is almost exactly one kilogram. Oil, flour and alcohol are all lighter.
Why is a US cup not 250 mL?
The US legal cup is 240 mL and the customary cup used in recipes is about 236.6 mL. The round 250 mL cup is the Australian and metric standard. In baking the gap is enough to notice.