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Molecular Weight Calculator

Enter Moles of Each Element

Enter the number of moles of each element and click Calculate. Fractional moles (e.g. 2.57) and negative values can be entered. Atomic weights are from CRC (1999).

Molecular Weight (gram/mole):  www.LMNOeng.com
LMNO Engineering, Research, and Software, Ltd.
Ac Ag Al Am Ar As At Au B
Ba Be Bh Bi Bk Br C Ca Cd Ce
Cf Cl Cm Co Cr Cs Cu Db Dy Er
Es Eu F Fe Fm Fr Ga Gd Ge H
He Hf Hg Ho Hs I In Ir K Kr
La Li Lr Lu Md Mg Mn Mo Mt N
Na Nb Nd Ne Ni No Np O Os P
Pa Pb Pd Pm Po Pr Pt Pu Ra Rb
Re Rf Rh Rn Ru S Sb Sc Se Sg
Si Sm Sn Sr Ta Tb Tc Te Th Ti
Tl Tm U V W Xe Y Yb Zn Zr
 
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Element names and symbols (sorted by name):

Actinium Ac Hafnium Hf Praseodymium Pr
Aluminum Al Hassium Hs Promethium Pm
Americium Am Helium He Protactinium Pa
Antimony Sb Holmium Ho Radium Ra
Argon Ar Hydrogen H Radon Rn
Arsenic As Indium In Rhenium Re
Astatine At Iodine I Rhodium Rh
Barium Ba Iridium Ir Rubidium Rb
Berkelium Bk Iron Fe Ruthenium Ru
Beryllium Be Krypton Kr Rutherfordium Rf
Bismuth Bi Lanthanum La Samarium Sm
Bohrium Bh Lawrencium Lr Scandium Sc
Boron B Lead Pb Seaborgium Sg
Bromine Br Lithium Li Selenium Se
Cadmium Cd Lutetium Lu Silicon Si
Calcium Ca Magnesium Mg Silver Ag
Californium Cf Manganese Mn Sodium Na
Carbon C Meitnerium Mt Strontium Sr
Cerium Ce Mendelevium Md Sulfur S
Cesium Cs Mercury Hg Tantalum Ta
Chlorine Cl Molybdenum Mo Technetium Tc
Chromium Cr Neodymium Nd Tellurium Te
Cobalt Co Neon Ne Terbium Tb
Copper Cu Neptunium Np Thallium Tl
Curium Cm Nickel Ni Thorium Th
Dubnium Db Niobium Nb Thulium Tm
Dysprosium Dy Nitrogen N Tin Sn
Einsteinium Es Nobelium No Titanium Ti
Erbium Er Osmium Os Tungsten W
Europium Eu Oxygen O Uranium U
Fermium Fm Palladium Pd Vanadium V
Fluorine F Phosphorous P Xenon Xe
Francium Fr Platinum Pt Ytterbium Yb
Gadolinium Gd Plutonium Pu Yttrium Y
Gallium Ga Polonium Po Zinc Zn
Germanium Ge Potassium K Zirconium Zr
Gold Au    


Reference

Chemical Rubber Company (CRC). 1999. CRC Handbook of Chemistry and Physics. Lide, David R., editor. 79th edition (1998-1999). CRC Press, Inc.

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