Physics

Temperature at Altitude Calculator

Find air temperature at altitude using the standard lapse rate.

Calculated Output

Temperature (°C) -4.5

Formula: T = T₀ − 6.5·(h ÷ 1000)

Step-by-Step Breakdown

1. Values used:

2. Ground temperature = 15 °C

3. Altitude = 3,000

5. Temperature = -4.5°C

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The math behind it

The standard environmental lapse rate is about 6.5 °C per 1000 m.

15 °C at ground → about −4.5 °C at 3000 m.

Is the lapse rate constant?

It's an average; real conditions vary, and inversions can reverse it.