mass to weight? just multiply your mass by g=9.81 m/s^2.
http://answers.yahoo.com/question/index?qid=200709...

You convert mass to weight by multiplying by the local acceleration due to gravity . f = ma. where f is the force in newtons, mass is the mass in kilograms and a is the acceleration
http://wiki.answers.com/Q/How_convert_mass_to_weig...

To find the mass of an object use the formula m=dv where mass=density x volume. Formula for weight is Weight = Mass x Gravity.
http://www.kgbanswers.com/whatsthefomulaformas...
