Chemistry Tools
Free chemistry calculators: molar mass, electron configuration, equation balancing and more.
Molar Mass Calculator
Parses any formula — parentheses, hydrates, all of it — into a full per-element mass breakdown.
Electron Configuration Generator
Full and noble-gas notation, with an orbital box diagram, for any element.
Chemical Equation Balancer
Balances equations automatically and shows the coefficients step by step.
Compare Elements
Put 2-4 elements side by side across every property, with a shareable link.