Atmospheric Calculator
Calculate ISO 2533 Standard Atmosphere properties and ISO 5878 wind distributions — from −2,000 m to 80,000 m.
The International Standard Atmosphere (ISA) defines a reference vertical profile of temperature, pressure, density, and derived properties — used in aerospace engineering, meteorology, and scientific research worldwide.
ISO 2533
ISO 5878
H = Geopotential altitudeh = Geometric altitudeh = r₀·H / (r₀ − H), r₀ = 6,356,766 m
Generating table...
| H (m) | H (ft) | h (m) | h (ft) | Temp (K) | Temp (°C) | Pres (Pa) | Pres (mbar) | Density (kg/m³) | Speed of Sound (m/s) | Gravity (m/s²) |
|---|