The Cones Calculator

Show values to . . . significant figures.
base radius =units
perp. height =units
slant length =units
curved surface area =square units
volume = cubic units
angle = degrees
To make a cone, cut a sector out of a circle and fold around so that the cut sides meet. 

To make a cone of a specific size then use the 'major' sector angle and the radius of your circle as the slant length.

Remember: Appropriate units need to be attached.