Periodic Table with Molar Mass
Search all elements by name, symbol, or atomic number and check molar mass values quickly for classroom, exam, and lab calculations.
Hydrogen (H)
Atomic Number: 1
Molar Mass: 1.008 g/mol
Category: reactive nonmetal
alkali metal
alkaline earth metal
transition metal
post-transition metal
metalloid
reactive nonmetal
noble gas
lanthanide
actinide
What is molar mass
Molar mass is the mass of one mole of a substance, expressed in grams per mole (g/mol). Element molar masses come directly from periodic-table atomic masses.
How to use the periodic table
Find each element in your formula, multiply by atom count, and sum all contributions. Use search to locate symbols quickly and open element details on click.
Why molar mass matters
It converts grams to moles and moles to grams, making stoichiometry, solution prep, and reactant planning accurate and repeatable.
Continue with the Molar Mass Calculator or explore more molar mass calculations.