Molar Mass Calculator

Instructions

This program determines the molecular mass of a substance. Enter the molecular formula of the substance. It will calculate the total mass along with the elemental composition and mass of each element in the compound.

• Use uppercase for the first character in the element and lowercase for the second character. Examples: Fe, Au, Co, Br, C, O, N, F.
• You can use parenthesis () or brackets [].

Finding Molar Mass

Read our article on how to calculate molar mass.

You can also ask for help in our forums.

Examples

• AsS
• C7H5O2Na
• CaCl2*2H2O
• KAl2S2O8
• C12H12O11
• C3H7Br
• FeSO4(NH4)2SO4*6H2O + KNO3
• C6H8N2O2S
• FeSO4(NH4)2SO4*6H2O
• CNSO4
• (CoCl4){2-}
• H2CrO4
• Recently Calculated Molar Masses