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Unit Converter

Conversion formula

The conversion factor from tablespoons to cups is 0.062500000000211, which means that 1 tablespoon is equal to 0.062500000000211 cups:

1 tbsp = 0.062500000000211 cup

To convert 21 tablespoons into cups we have to multiply 21 by the conversion factor in order to get the volume amount from tablespoons to cups. We can also form a simple proportion to calculate the result:

1 tbsp → 0.062500000000211 cup

21 tbsp → V(cup)

Solve the above proportion to obtain the volume V in cups:

V(cup) = 21 tbsp × 0.062500000000211 cup

V(cup) = 1.3125000000044 cup

The final result is:

21 tbsp → 1.3125000000044 cup

We conclude that 21 tablespoons is equivalent to 1.3125000000044 cups:

21 tablespoons = 1.3125000000044 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.76190476190219 × 21 tablespoons.

Another way is saying that 21 tablespoons is equal to 1 ÷ 0.76190476190219 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that twenty-one tablespoons is approximately one point three one three cups:

21 tbsp ≅ 1.313 cup

An alternative is also that one cup is approximately zero point seven six two times twenty-one tablespoons.

Conversion table

tablespoons to cups chart

For quick reference purposes, below is the conversion table you can use to convert from tablespoons to cups

tablespoons (tbsp) cups (cup)
22 tablespoons 1.375 cups
23 tablespoons 1.438 cups
24 tablespoons 1.5 cups
25 tablespoons 1.563 cups
26 tablespoons 1.625 cups
27 tablespoons 1.688 cups
28 tablespoons 1.75 cups
29 tablespoons 1.813 cups
30 tablespoons 1.875 cups
31 tablespoons 1.938 cups