Chemistry Calculator’s & Atomic Tools
Instantly solve chemistry problems, atomic structure questions, and moles with our atom calculators and mole calculators. The fastest way for students, teachers, and professionals to check any chemistry equation online.
Chemistry & Atomic Calculators
Atom Calculator (Neutrons)
Quickly determine the number of neutrons for any isotope or element—just enter mass and atomic number.
Atom Calculator (Protons)
Find the number of protons in any atom or ion using atomic number—core to chemistry basics prep.
Mole Calculator
Calculate moles, mass, and molar mass for elements, compounds, or reactions—upgrade chemistry homework!