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Feb 12, 2024 · This tool calculates the spherical equivalent (SE) of a lens prescription, providing a single value that represents the combined effect of the sphere and cylinder powers of the lens. Formula of Spherical Equivalent Calculator
Calculate the sphere volume, the volume of a spherical cap or a hemisphere, with this sphere volume calculator.
Oct 3, 2024 · This calculation simplifies complex prescriptions, allowing for easier lens selection and understanding of vision correction. Calculation Formula. The formula to calculate the spherical equivalent is: \ [ \text {Spherical Equivalent (SE)} = \text {Sphere} + \left (\frac {\text {Cylinder}} {2}\right) \] Example Calculation.
Oct 4, 2023 · This online calculator will calculate the 3 unknown values of a sphere given any 1 known variable including radius r, surface area A, volume V and circumference C. It will also give the answers for volume, surface area and circumference in terms of PI π.
The Sphere Calculator contains equations for volumes, surface areas, and moments of inertia for objects shaped like a geometric sphere. The user can enter basic dimensions and the calculator returns the values.
The Sphere Calculator allows you to calculate three key properties of a sphere: area, volume, and circumference.
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This online calculator calculates 5 unknown values of a sphere using any known variable. One of the 5 properties can be specified as an argument: radius r, diameter d, surface area S, volume V or circumference P.
