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Air Temperature, Pressure and Density vs. Altitude

Elevation above sea level and air temperature, pressure and density.

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Standard values for pressure, temperature and density (ignoring the slight effect of humidity) at altitudes from sea level to 16,000 feet (about 4900 m):

Altitude (feet) Load Calculator!	Abs. Pressure (in. Hg) Load Calculator!	Temp. (F) Load Calculator!	Density (%)
sea level	29.92	59.0	100
2000	27.82	51.9	94.3
4000	25.84	44.7	88.8
6000	23.98	37.6	83.6
8000	22.22	30.5	78.6
10000	20.57	23.3	73.8
12000	19.02	16.2	69.3
14000	17.57	9.1	65.0
16000	16.21	1.9	60.9

density - % of density at sea level
1 ft (foot) = 0.3048 m
1 in mercury (Hg) = 3,376.8 N/m² (Pa)= 0.49 lb/in² (psi) = 12.8 in water
T(^oC) = 5/9[T(^oF) - 32]

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Related Topics

Miscellaneous - Engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more.

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