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

• 6H20
• C3H4COOH
• CH3CHOHCH2COOH
• Fe(NO3)3*9H2O
• 4HNO3
• H12P4O16
• (C{-}OOCCH(OH)CH(OH)COO{-})
• Cl2
• NO2SO4
• Co4(SiO4)3
• 6NH4NO3
• CaCO3
• Recently Calculated Molar Masses