How do you convert teaspoons to us cups?

To convert teaspoons to us cups, multiply by 0.02083333333. For example, 21.45 tsp is 0.446875 cup.

How many us cups are in a teaspoon?

There are 0.02083333333 us cups in one teaspoon.

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21.45 Teaspoons to US cups

21.45 tsp =

0.446875 cup

21.45 teaspoons equals 0.446875 us cups

How to convert teaspoons to us cups

To get us cups, multiply by 0.02083333333.

cup = tsp × 0.02083333333

Worked example: 21.45 × 0.02083333333 = 0.446875 cup.

Going the other way, multiply by 48 — one us cup is 48 teaspoons.

Values near 21.45 tsp

Teaspoon	US cup
17.16 tsp	0.3575 cup
19.305 tsp	0.402187 cup
23.595 tsp	0.491563 cup
25.74 tsp	0.53625 cup

Teaspoon to US cup — common values

Teaspoon	US cup
1 tsp	0.020833 cup
2 tsp	0.041667 cup
3 tsp	0.0625 cup
5 tsp	0.104167 cup
10 tsp	0.208333 cup
25 tsp	0.520833 cup
50 tsp	1.041667 cup
100 tsp	2.083333 cup

Convert Teaspoon to other units

tsp → L tsp → mL tsp → m³ tsp → gal tsp → qt tsp → pt tsp → cup tsp → fl oz tsp → tbsp

← Reverse: US cup to Teaspoon

Questions

How do you convert teaspoons to us cups?: To convert teaspoons to us cups, multiply by 0.02083333333. For example, 21.45 tsp is 0.446875 cup.
How many us cups are in a teaspoon?: There are 0.02083333333 us cups in one teaspoon.
How do you convert us cups back to teaspoons?: Go the other way: multiply by 48. One us cup is 48 teaspoons.

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