Balance equations, find molar masses, calculate pH and molarity — free chemistry calculators for students and professionals.
Everything a student needs to stay on top of grades, deadlines and study time — free online calculators that run right in your browser with no registration.
Run your freelance business like a pro: generate professional invoices, price your time correctly, and understand taxes and fees — all with free tools.
A growing toolbox for developers: format, validate and convert code, build regex patterns, generate UUIDs and commit messages — fast, private and free.
Understand your body and plan your fitness journey with accurate, free calculators for BMI, daily calories, TDEE, body fat and hydration.
Enter a chemical formula and the molar mass calculator computes the molecular weight using atomic masses from the periodic table.
Enter hydrogen ion concentration to get pH, or enter pH to get concentration, using the standard pH formula.
Yes. The equation balancer automatically balances chemical reactions with the correct coefficients.
The dilution calculator solves C1V1 = C2V2 to find the missing concentration or volume for your solution.