Advanced Scientific Calculator

Enter an expression using functions like: sin(), cos(), sqrt(), log(), pi, e, etc.

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Physical Constants Database

Click a constant card to insert its value into the calculator.

Speed of Light (c) 299,792,458 m/s

Planck Constant (h) 6.62607015 × 10⁻³⁴ J·s

Gravitational Constant (G) 6.67430 × 10⁻¹¹ m³/kg·s²

Avogadro Constant (Nₐ) 6.02214076 × 10²³ mol⁻¹

Boltzmann Constant (k) 1.380649 × 10⁻²³ J/K

Elementary Charge (e) 1.602176634 × 10⁻¹⁹ C

Electron mass (mₑ) 9.1093837 × 10⁻³¹ kg

Gas constant (R) 8.3144626 J/(mol·K)

Stefan-Boltzmann constant (σ) 5.670374 × 10⁻⁸ W/(m²·K⁴)

Rydberg constant (R∞) 10,973,731.568 m⁻¹

Vacuum permittivity (ε₀) 8.85418781 × 10⁻¹² F/m

Vacuum permeability (μ₀) 1.25663706 × 10⁻⁶ N/A²

Wien's Constant (b) 2.89777 × 10⁻³ m·K

Periodic Table Atomic masses →

Data sources: NIST CODATA, BIPM (SI Units)