1. Verify that your suitcase is a "box" with six flat surfaces that meet at right angles. When a suitcase has rounded corners, measure to where the corners would be if they
http://www.ehow.com/how_6003907_calculatelineari...

You add (in inches) the length, plus the width, plus the height of the object which together equals 62 LINEAR inches. if it's a suitcase, for example, it COULD be 36 inches long,
http://wiki.answers.com/Q/How_do_you_calculate_62_...

1. Divide your project into different categories of materials. All construction projects (and the vast majority of home improvement projects) involve assembling separate raw materials
http://www.wikihow.com/CalculateLinearFeet

Heres an example: a 70" x 90" quilt would have 320 linear inches of edge (70" +
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