科學工具
化學、生物與實驗室計算機。
Free scientific calculators for students, educators, and lab work. Compute molar mass from chemical formulas, convert between grams and moles, balance chemical equations, explore the periodic table, and analyze DNA, genetics, and microscopy data — using standard atomic weights and stoichiometry. Every tool runs in your browser with instant results and no signup.
Popular 科學工具
- Molar Mass CalculatorMolar mass calculator free — parse chemical formulas like H2O or Ca(OH)2 and get g/mol with an element breakdown. Browser-based, instant, no signup.
- Atomic Mass CalculatorAtomic mass calculator free — IUPAC element lookup or weighted isotope average. Atomic number and u/g/mol. No signup.
- Periodic Table ExplorerInteractive periodic table with element details, atomic mass, and electron configuration for all 118 elements.