Physics Tools
11 tools11 liveFree physics and lab calculators for photon energy, quantum numbers, Planck's law, logs, and unit conversions. Browse 11 browser-based physics tools on FindMeTool, convert joules and electronvolts, switch between frequency and wavelength, round significant figures, and run a scientific expression calculator. Uses standard SI constants where noted. Results are educational, not a substitute for instrument calibration or safety review.
Physics tutorial
Learn how photon energy, De Broglie wavelength, quantum numbers, Planck's law, logs, and unit converters fit together on FindMeTool. Browser workflows for homework, labs, and exam review.
Photon Energy Calculator
Free photon energy calculator, convert between frequency, wavelength, and energy in joules or eV using h and c.
PhysicsDe Broglie Wavelength Calculator
Free De Broglie wavelength calculator, find λ = h/p from momentum or mass and velocity for matter waves.
PhysicsQuantum Number Calculator
Free quantum number checker for hydrogen-like states, validate n, l, and m and see subshell labels and energy.
PhysicsPlanck's Law Calculator
Free Planck's law calculator, compute spectral radiance B(λ,T) for a wavelength and temperature in Kelvin.
PhysicsScientific Calculator
Free scientific calculator online, evaluate expressions with trig, logs, powers, and constants in your browser.
PhysicsSignificant Figures Calculator
Free significant figures tool, count sig figs in a number or round to a chosen number of significant digits.
PhysicsScientific Notation Converter
Free scientific notation converter, switch between decimal form and e-notation for large or small values.
PhysicsEnergy Unit Converter (J ↔ eV)
Free joule to eV converter, convert energy between joules and electronvolts using the 2019 exact eV definition.
PhysicsFrequency ↔ Wavelength Converter
Free frequency to wavelength converter, use f = c/λ in vacuum for light, radio, and spectroscopy homework.
PhysicsLog Calculator
Free log calculator, compute log base 10, natural log, log base 2, or a custom base for positive values.
PhysicsUnit Converter
Convert length, weight, temperature, and volume units free online. Kilometers to miles, kg to lbs, Celsius to Fahrenheit, liters to gallons, instant results.
PhysicsPhysics tools FAQ
What free physics tools does FindMeTool offer?
FindMeTool includes 11 physics tools for formatting, converting, validating, and generating physics data. Open any tool, paste your input, and copy the result instantly.
Are FindMeTool physics tools free to use?
Yes. All physics tools are free with no signup, subscription, or usage caps.
Do I need to install software to use these physics tools?
No. Tools run in your web browser. Many continue to work offline after the page loads.