ToolJoltTools

Grahams Law Calculator

Solve r₁/r₂ = √(M₂ / M₁) step by step — free grahams law calculator with worked examples, real-world defaults and instant answers.

Graham's law of effusion — relative escape rates.

About Grahams Law Calculator

The Grahams Law Calculator solves r₁/r₂ = √(M₂ / M₁) for you with the full working shown — every substitution, every unit, every step, exactly the way a good teacher writes it on the board. Helium leaks through balloon walls 2.7× faster than air — why party balloons droop overnight while air-filled ones last weeks.

How to use Grahams Law Calculator

  1. 1Enter your known values in the input fields (sensible real-world defaults are pre-filled).
  2. 2The tool substitutes them into r₁/r₂ = √(M₂ / M₁) and recomputes live.
  3. 3Read the answer in the result box, then expand the step-by-step solution to see the full working.
  4. 4Copy the method into your notebook, or change inputs to explore how the result behaves.

Why use Grahams Law Calculator?

  • Solves r₁/r₂ = √(M₂ / M₁) instantly as you type — no submit button, no waiting
  • Step-by-step solution shown for every calculation, not just the final answer
  • Realistic example values pre-loaded so you can see a worked example immediately
  • 100% free, no sign-up, runs entirely in your browser — your numbers never leave your device
  • Mobile-friendly and fast enough to use mid-homework or mid-lesson

Frequently asked questions

What formula does the Grahams Law Calculator use?+

It uses r₁/r₂ = √(M₂ / M₁). The steps section shows the formula with your actual numbers substituted, so you can follow (and verify) every stage of the calculation rather than trusting a black box.

What should I keep in mind when using this calculator?+

Helium leaks through balloon walls 2.7× faster than air — why party balloons droop overnight while air-filled ones last weeks. The same √M physics, run in cascades of porous barriers, is how uranium isotopes were first separated.

Is the Grahams Law Calculator free to use?+

Completely free, with no sign-up or limits. All computation happens client-side in your browser, so it is fast, private, and works even on slow connections once the page has loaded.

Can I use this for homework, teaching or exam prep?+

That is exactly what it is built for. The step-by-step working mirrors how solutions are presented in class, so you can check homework, build worked examples for teaching, or practise method recall before exams.

Embed Grahams Law Calculator on your website

Want Grahams Law Calculatoron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.

Embed code
<iframe src="https://tooljolt.com/tools/grahams-law-calculator" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px;max-width:680px" title="Grahams Law Calculator — ToolJolt" loading="lazy"></iframe>

Related tools

Related Science tools

Sponsored