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

• Pb(NO3)2
• C4H9CN
• Na(BrO3)
• F2SO3
• SF4
• 5O2
• C2H3OH
• MnBi
• BCl3
• Ba(ClO)2
• CH3COOCH(CH3)COOCH3
• AsS
• Recently Calculated Molar Masses