 # General Information, Facts & Tables [Sphere Calculator]

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Overview

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A sphere is a round solid with each point on the surface being equidistant from the centre.

See Also: Open Another, Using the Calculators
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Formula

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 Required Known r d c A V r - Ār = d / 2 Ār = c / pi / 2 Ār = (( A / pi )1/2) / 2 Ār = (( V * 3 )/ ( 4 * pi ))1/3 d Ād = r * 2 - Ād = c / pi Ād = ( A / pi )1/2 Ād = (( V * 6 )/ pi )1/3Ā c Āc = 2 * pi * r Āc = pi * d - Āc = ( A / pi )1/2 * p Āc = (( V * 6/ pi )1/3) * pi A ĀA = 4 * pi * r2 ĀA = pi * d2 ĀA = pi * (c / pi )2Ā - ĀA = (( V * 6/ pi )1/3)2 * pi V ĀV = 4 / 3 * pi * r3 ĀV = pi * d3 / 6 ĀV = pi * ( c / piĀ)3 / 6 ĀV = ((( A / pi )1/2 )3 ) / 6 * pi -

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Units

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r = Radius (metre [m])
d = Diameter (metre [m])
c = Circumference (metre [m])
A = Surface area (square metre [m2])
V = Volume (cubic metre [m3] or kilolitre [kL])
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Calculator

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 Show all available units r []: Ā   Ā d []: Ā  c []: Ā  A []: Ā  V []: Ā  Note! Set unit values prior to calculating.
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A number to the power (1/2) or (0.5) is the square root of the number.
A number to the power (1/3) or (0.33333...) is the cube root of the number.
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