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Area Calculators

Online web tools for converting and calculating area of two dimensional objects, spaces or cross-sections.

Room Floor, Walls and Ceiling Area Calculator

This tool will calculate the area of the various surfaces inside a rectangular shaped room.

Length, Area and Volume Isotropic Thermal Expansion Calculator

This tool will calculate any parameter from the formula for length, area or volume thermal expansion for an isotropic material

Area Thermal Expansion Calculator

This tool will calculate any parameter from the formula for area thermal expansion A₁=A₀(1+αₐ(T₁-T₀))

Radius to Area of Circle Calculator

This tool will calculate the area of a circle from the radius, and will convert different measurement units for radius and area A=πr²

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 A=4πr²

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 A=πø²

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 A=F/P

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, A=m/ρₐ

Area Converter

Area Conversion Scale

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, A=LW

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, A=¼πø²

Volume Flow & Speed to Area Calculator

Calculate the flow area from the rate of volume flow and the speed of the flow, A=Q/v

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