Using a metric ruler, measure the height,length and width of object. Multiply the height times the length, times the width, to get total cubic meters.
http://www.ask.com/webanswers/Reference/Other/how...

1. Measure the height of your object. 2. Measure the length. 3. Measure the width. 4. Convert measurements to meters if they are not already. If measurement was taken in millimeters
http://www.ehow.com/how_4759883_calculatecubicme...

With great difficulty because a circle is a 2 dimensional shape that has no volume or may be you meant a sphere which is: Volume of a sphere = 4/3*pi*radius3. Area of a circle = pi*
http://wiki.answers.com/Q/How_to_calculate_cubic_m...

how to calculate cubic meters: That is not possible. A triangle is an area. Cubic meters belong to volume
http://www.tutorvista.com/answers/howdoyoucalcu...
