This tool will calculate the area of a circle from the radius, and will convert different measurement units for radius and area.
Area Calculators
Online web tools for converting and calculating area of two dimensional objects, spaces or cross-sections.
Radius to Surface Area of Sphere Calculator
This tool will calculate the surface area of a sphere from the radius, and will convert different measurement units for radius and surface area.
Diameter to Surface Area of Sphere Calculator
This tool will calculate the surface area of a sphere from the diameter, and will convert different measurement units for diameter and surface area.
Force & Pressure to Area Calculator
Use this calculator to determine the area of a contact surface which when subjected to a defined applied force results in generating the selected pressure.
Mass Total and Area Density to Total Area Calculator
This calculator is used to determine the total area of an item from the total mass measured with a specified area density.
Area Converter
This area converter and conversion scale is used to convert any measurement of surface or land area from one unit of area to another.
Length & Width to Area Calculator
This tool will calculate the area of a rectangle from the dimensions of length and width. No manual conversion is necessary for length, width and area units, which can all be selected independently.
Diameter to Area of Circle Calculator
This tool will calculate the area of a circle from the diameter, and will convert different measurement units for diameter and area.
Volume Flow & Speed to Area Calculator
Calculate the flow area from the rate of volume flow and the speed of the flow, and display a conversion scale for a range of flow rates and areas.