Chemistry & Physics
30 free chemistry & physics that run instantly in your browser — no downloads, no sign-up, and nothing you enter ever leaves your device.
Dilution Calculator
Calculate dilution instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Molality Calculator
Calculate molality instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Moles to Grams Calculator
Calculate moles to grams instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
pH Calculator
Calculate ph instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Percent Yield Calculator
Calculate percent yield instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Ideal Gas Law Calculator
Calculate ideal gas law instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Boyle's Law Calculator
Calculate boyle's law instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Half-Life Calculator
Calculate half-life instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Kinetic Energy Calculator
Calculate kinetic energy instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Potential Energy Calculator
Calculate potential energy instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Work Done Calculator
Calculate work done instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Centripetal Force Calculator
Calculate centripetal force instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Pendulum Period Calculator
Calculate pendulum period instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Free Fall Calculator
Calculate free fall instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Wave Speed Calculator
Calculate wave speed instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Ohms Law Power Calculator
Calculate ohms law power instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Escape Velocity Calculator
Calculate escape velocity instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Weight on Other Planets Calculator
Calculate weight on other planets instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Momentum Calculator
Calculate momentum instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Impulse Calculator
Calculate impulse instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Power Calculator
Calculate power instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Gravitational Force Calculator
Calculate gravitational force instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Snells Law Calculator
Calculate snells law instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Heat Energy Calculator
Calculate heat energy instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Thermal Expansion Calculator
Calculate thermal expansion instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Density Calculator
Calculate density instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
pOH Calculator
Calculate poh instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Coulombs Law Calculator
Calculate coulombs law instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Hookes Law Calculator
Calculate hookes law instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Terminal Velocity Calculator
Calculate terminal velocity instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
Free Chemistry & Physics on wajid.in
wajid.in brings together 30 free chemistry & physics in one place, covering Chemistry, Physics & Astronomy, More Physics, More Formulas. Whether you are on a phone or a laptop, each tool runs entirely inside your browser — there is nothing to install, no account to make, and no file ever gets uploaded to a server. That means faster results and complete privacy.
Pick any tool above to get started instantly. You can star the ones you use most so they are always a click away.
Why use these Chemistry & Physics?
100% private
Your files and inputs are processed on your device and never uploaded, so nothing you do with these chemistry & physics is sent to a server.
Instant & online
No installs and no waiting — each tool loads and works in seconds, directly in your browser on mobile or desktop.
Free forever
Every tool is free with no sign-up, no watermark, and no usage cap. Use them as often as you like.
Frequently Asked Questions
Yes. All 30 chemistry & physics on wajid.in are completely free, with no sign-up, no usage limits, and no hidden charges.
No. Every tool opens and runs right in your web browser on any device — there is nothing to download and no account to create.
Yes. These tools process everything locally on your device. The files you open and the details you type are not uploaded to any server, so your data stays private.
Some of the most-used chemistry & physics here include Dilution Calculator, Molality Calculator, Moles to Grams Calculator, pH Calculator. You can browse the full list above and star your favourites for quick access.