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Sphere Surface Area to Radius Calculator

Calculate Radius of Sphere
Surface Area (A) [?]
Radius (r) [?]

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✕ clear settings

Switch tool with the current settings for radius, and calculate sphere volume, circle area, circle circumference or diameter instead


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Contents

  • Related Tools
  • User Guide
      • Formula
          • Symbols
      • Surface Area of Sphere
      • Radius of Sphere

Related Tools

  • Calculate surface area of sphere from radius
  • Sphere volume to radius calculator
  • Convert an area to different units
  • Length and distance converter
  • Circle area to radius calculator
  • Circle circumference to radius calculator
  • Circle diameter to radius calculator

User Guide

This tool will calculate the radius of a sphere from the surface area, and will convert different measurement units for surface area and radius.

Formula

The formula used to calculate the sphere radius is:

r = √(A / (4 · π))

Symbols
  • r = Sphere radius
  • A = Sphere surface area
  • π = Pi = 3.14159…

Surface Area of Sphere

Enter the surface area of a sphere. The sphere surface area represents the total area of the outer surface of the sphere if it was to be laid out flat as a two-dimensional shape, e.g. a true scale map of the world is a 2D scaled representation of the surface area of the world.

Radius of Sphere

This is the radius of the sphere which corresponds to the volume specified. The radius is the distance between the centre and any point on the surface of a sphere.

Primary Sidebar

Tool Sections

  • Density
  • Flow
  • Energy & Power
  • Force, Load & Torque
  • Input & Output Signals
  • Length, Area & Volume
  • Liquid Depth & Level
  • Mass & Weight
  • Pressure
  • Speed & Acceleration
  • Temperature
  • Time & Frequency

Product Selection Guides

  • Pressure Transmitters
  • Pressure Transducers
  • Liquid Level Sensors
  • Digital Pressure Gauges
  • Data Loggers

Application Selection Guides

  • Vacuum
  • Submersible
  • Low Pressure Range
  • Leak Testing
  • High Frequency Response
  • Dual Temperature and Pressure
  • Barometric Pressure

Help Guides

  • Reduce calibration costs of analogue pressure gauges
  • Measuring the difference in air pressure between rooms
  • How to get a 10 volt signal from a 4-20mA output pressure sensor
  • How to Connect a 4-20mA Current Loop Pressure Transmitter
  • Determining the hydrostatic pressure range for a tank level sensor
  • Choosing PVC, PUR, FEP and TPE cable types

Online Measurement Tools

  • Temperature Transmitter 4-20mA Current Output Calculator
  • Pressure Transmitter 4-20mA Current Output Calculator
  • Pressure Transducer 1-5V Voltage Output Calculator
  • Pressure Converter
  • Measurement Reading to 4-20mA Signal Converter
  • Liquid Depth/Level to Hydrostatic Pressure Calculator
  • Input to Output Measurement Reading Converter
  • Force & Area to Pressure Calculator
  • Density to Specific Gravity Calculator

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