Perform or verify the results of area and volume calculations that involve square, rectangle, circle, triangle, rhombus, pyramid, cube, cone, sphere, barrel, pipe, kite, silos, ellipse, trapezium, polygon, sand etc equation of planes, curves, distance, angle, straight lines, circles, triangle, squares, etc. by using these area & volume calculators. The main objective of these calculators is to assist students, professionals and researchers quickly perform or verify the results of two or three dimensional shapes length, area & volume calculations.