Interactive Tools
Calculators, simulators, and reference tools for physics
š
Cosmology Calculator
Calculate cosmic distances, lookback times, and comoving volumes using Planck 2018 cosmological parameters.
š³ļø
Black Hole Calculator
Compute Schwarzschild radius, Hawking temperature, entropy, ISCO, and evaporation time for any black hole mass.
š¬
Physics Constants Explorer
Browse and search 40+ fundamental physical constants with values, units, and uncertainties.
š
Unit Converter
Convert between physics units: energy (eV, J, erg), length (nm, Angstrom, parsec), mass (amu, MeV/cĀ²), and more.
š
Wave Simulator
Visualize wave superposition, constructive and destructive interference with adjustable amplitude, frequency, and wavelength.
šÆ
Projectile Motion Simulator
Launch projectiles with adjustable angle, velocity, and gravity. See real-time trajectory, max height, and range.