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International Standard Atmosphere (ISA)

Calculate International Standard Atmosphere (ISA) instantly with the exact formula and a worked example.

International Standard Atmosphere (ISA)

Height, m
T
255.65K
Calculate International Standard Atmosphere (ISA) instantly with the exact formula and a worked example.
T
255,65 K
P
540,18 gPa

More about: International Standard Atmosphere (ISA)

What it calculates

The “International Standard Atmosphere (ISA)” calculator computes T in K from 1 parameter: height, m.

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters Height, m = 5,000 the result is 255.65 K.

How to use

  1. Enter height, m — each field above is adjustable with a slider.
  2. T (K) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is International Standard Atmosphere (ISA) calculated?
The International Standard Atmosphere (ISA) calculator computes T (in K) from height, m. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the International Standard Atmosphere (ISA) calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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