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

# Area Calculators

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

## 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 = π · r²

## 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 = 4·π·r²

## 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 = π·ø²

## 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

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 = L·W

## 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 = ¼·π·ø²

## 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