Free Tools Area
Unlimited use of all the tools in this area
Register to save your results and retrieve later
Share your calculations with friends
Download your results to Excel or Word
Password protect private calculations
Search for tools:
Saved tool URL search:
Category: School Maths & Science/Shapes

Most popular tools

Most recent tools

Tool descriptions

  1. : Enter the radius, diameter, area or circumference of a circle, and calculate the other three.  More Info...
  2. : Enter the length, surface area or volume of a cube, and calculate the other two.  More Info...
  3. : Calculate the volume, apex height or base area of a pyramid.  More Info...
  4. : Calculate the area of a rhombus from its base and height or its two diagonals, or use the area to calculate one of the related properties.  More Info...
  5. : Enter the radius, surface area or volume of a sphere, and calculate the other two.  More Info...
  6. : Enter the length, perimeter or area of a square, and calculate the other two.  More Info...
  7. : Calculate the area of a triangle from its base and height or its sides (using Heron's formula), or use the area to calculate the base or height.  More Info...
  8. : Calculate the area, semi-minor axis length or semi-major axis length of an ellipse.  More Info...

General info