Preparing your Lab
AllScienceTools
AllScienceTools
G, c, h, N_A, etc.
Mastering Physics Constants is a key step in your Reference Materials journey. We built this Physics Constants to be your personal study assistant—helping you solve problems step-by-step, verify your homework answers, and build confidence before exams.
This tool handles the computation, allowing you to focus on the underlying logic and problem-solving strategies. It is particularly useful for verifying hand-written work and exploring different problem scenarios instantly.
Instant, high-precision results
Mobile-friendly interface
Ad-free study environment
Step-by-step logical verification
Understanding Physics Constants is fundamental. Our calculator uses standard algorithms aligned with academic curriculums to ensure the results match what you need for your classes.
| Symbol | Quantity | Value | Unit |
|---|---|---|---|
| c | Speed of Light in Vacuum | 2.9979 × 10⁸ | m/s |
| G | Gravitational Constant | 6.674 × 10⁻¹¹ | N·m²/kg² |
| h | Planck Constant | 6.626 × 10⁻³⁴ | J·s |
| e | Elementary Charge | 1.602 × 10⁻¹⁹ | C |
| NA | Avogadro Constant | 6.022 × 10²³ | mol⁻¹ |
| k | Boltzmann Constant | 1.380 × 10⁻²³ | J/K |
| R | Gas Constant | 8.314 | J/(mol·K) |
| ε₀ | Vacuum Permittivity | 8.854 × 10⁻¹² | F/m |
| μ₀ | Vacuum Permeability | 1.256 × 10⁻⁶ | T·m/A |
| g | Standard Gravity (Earth) | 9.80665 | m/s² |
| me | Electron Mass | 9.109 × 10⁻³¹ | kg |
| mp | Proton Mass | 1.672 × 10⁻²⁷ | kg |
| atm | Standard Atmosphere | 101,325 | Pa |
| mn | Neutron Mass | 1.675 × 10⁻²⁷ | kg |
| u | Atomic Mass Constant | 1.661 × 10⁻²⁷ | kg |
| F | Faraday Constant | 96,485 | C/mol |
| R∞ | Rydberg Constant | 1.097 × 10⁷ | m⁻¹ |
| σ | Stefan-Boltzmann Const | 5.670 × 10⁻⁸ | W/(m²·K⁴) |