How do you calculate relative atomic mass of an element? Chemistry Matter Atomic Mass 1 Answer Pradyun Devarakonda May 22, 2018 Relative atomic mass = #"Mass of an atom of element" / (1/12* "Mass of an atom of " C^12# Explanation: #uarr#The above equation is a formula to find relative atomic mass of an element . Answer link Related questions How do you calculate the atomic mass of carbon? How are atomic mass and mass number different? How do you calculate atomic mass from isotopic composition ? How do atomic mass and atomic weight differ? How do atomic masses reflect isotope abundances? How do atomic masses vary throughout the periodic table? How much atomic mass is in hydrogen? What atomic mass does ekasilicon have? Why are atomic masses of most of the elements fractional? What is atomic mass? See all questions in Atomic Mass Impact of this question 13455 views around the world You can reuse this answer Creative Commons License