Convert 21 Cubic Inches to Cubic Feet
How big is 21 cubic inches? How many cubic feet are in 21 cubic inches? 21 cu in to cu ft conversion.
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21 Cubic Inches ≈
0.012152778 Cubic Feet
result rounded
Decimal places
Result in Plain English
21 cubic inches is equal to about 0.0122 cubic feet.
To a Percentage
21 cubic inches ≈ 1.22% of a cubic foot.
Result as a Fraction
21 cubic inches
= 7⁄576 cubic feet
In Scientific Notation
21 cubic inches
= 2.1 x 101 cubic inches
≈ 1.21528 x 10-2 cubic feet
Cubic Inches
A cubic inch is a unit of volume. It is the size of a cube that is 1 inch on a side. It is approximately 1.1 tablespoons, or about 16.4 cubic centimeters.Common abbreviations: cu in, in³, in^3
Cubic Feet
A cubic foot is a unit of volume. It is the size of a cube that is 1 foot on a side. It is about 7.5 gallons or about 28.3 liters.Common abbreviations: cu ft, ft³, ft^3