Sphere calculator
Euclidean geometry only. Use the same unit for every length; lengths must be positive.
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Euclidean geometry only. Use the same unit for every length; lengths must be positive.
Common uses
Euclidean geometry only. Use the same unit for every length; lengths must be positive.
BEHIND THE NUMBERSFormula & assumptions
V = 4πr³/3; A = 4πr²
Euclidean geometry only. Use the same unit for every length; lengths must be positive.