Free app · English & मराठीChemical Calculator
Type the chemical, the strength you need and the volume. Get the exact weight or volume to take, and how to prepare it at the bench.
Example · 0.1 M NaOH, 250 mL
Weigh 1.0204 g of NaOH pellets
at 98 % purity, and make up to 250 mL.
What it does
- Solutions in M, N, ppm, % w/v, % v/v and g/L, from solids or commercial acids
- Dilution, serial dilution and mixing two solutions
- Molecular weight of any formula, and the full periodic table
- Titration, normality factor, pH and buffer tools
- Add your own chemicals with their purity
- Practice numericals that check your answer
Installing the APK
- Tap Download Android app above.
- Open the downloaded file ChemicalCalculator.apk.
- If Android asks, allow Install unknown apps for your browser or file manager.
- Tap Install, then open Chemical Calculator.
The app is not on the Play Store yet, so Android shows this one-time warning. It needs no internet and no permissions.
Learn the method behind every answer
The app gives you the answer. The book Basics of Chemical Calculations teaches you how to work it out, step by step, with solved numericals and practice problems.
Rohit R. Patil
M.Sc. Analytical Chemistry. Wrote the book and this app for everyone who has stood at a lab bench unsure how much to weigh.