Pounds per cubic inch to grams per cubic meter converter on this page calculates how many grams per cubic meter are in 'X' pounds per cubic inch (where 'X' is the number of pounds per cubic inch to convert to grams per cubic meter). In order to convert a value from pounds per cubic inch to grams per cubic meter (from lb/cu in to g/m³) simply type the number of lb/cu in to be converted to g/m³ and then click on the 'convert' button.