Molar Mass Calculator
Compute the molar mass of any chemical formula — H₂O, NaCl, C₆H₁₂O₆…
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Molar Mass Calculator
Follow these steps — everything happens instantly in your browser.
- 1
Step 1. Type a chemical formula using element symbols and counts (e.g. H2O, NaCl, C6H12O6).
- 2
Step 2. Use parentheses for groups, e.g. Ca(OH)2 or Fe2(SO4)3.
- 3
Step 3. Use proper capitalization — 'Co' is cobalt, 'CO' is carbon + oxygen.
- 4
Step 4. See the molar mass (g/mol) and element breakdown update instantly.
Why use this tool
Frequently asked questions
Everything you might want to know about molar mass calculator.
Density Calculator
Solve density, mass or volume — ρ = m / V — for any two knowns.
pH Calculator
pH from [H⁺] and reverse — with pOH, [OH⁻] and temperature.
Ohm's Law Calculator
Solve V = I × R for any one variable — voltage, current or resistance.
Average Calculator
Mean, median, mode, sum, range — instant statistics for any list of numbers.