convertimate Altitude and air pressure

Kilometers to kilopascals

Type a value in km to get it in kPa instantly.

70.11kPa

That's 1.86× as high as Denver, the “Mile High City”, while La Paz, Bolivia is 1.21× higher. Standard pressure there is 701.1 hPa (69.19 % of sea level), and water boils at 90.03 °C.

What it means

How high is that?

International Standard Atmosphere (ISO 2533), from −610 m to 20 km. Real pressure varies with weather by a few percent; temperature is the standard one, valid up to 11 km.

The math

How to convert km to kPa

Up to 11 km: p = 1013.25 × (1 − 2.25577×10⁻⁵ × h)^5.25588 hPa; above, p falls exponentially at −56.5 °C. Boiling point by the Antoine equation for water.

Example: 3 km = 70.1085 kPa.

Every unit

That altitude in every unit

Tables

km to kPa conversion table

km to kPa conversion table
kmkPa
0 km101.325 kPa
0.25 km98.3575 kPa
0.5 km95.4608 kPa
1 km89.8746 kPa
1.5 km84.556 kPa
2 km79.4952 kPa
2.5 km74.6825 kPa
3 km70.1085 kPa
4 km61.6402 kPa
5 km54.0199 kPa
6 km47.181 kPa
8 km35.5998 kPa
10 km26.4362 kPa
11 km22.632 kPa
15 km12.0446 kPa
20 km5.47488 kPa
kPa to km conversion table
kPa to km conversion table
kPakm
12 kPa15.0235 km
22.6 kPa11.009 km
26.4 kPa10.009 km
35.6 kPa7.99996 km
47.2 kPa5.99706 km
54 kPa5.00275 km
61.6 kPa4.00501 km
70.1 kPa3.00096 km
74.7 kPa2.49814 km
79.5 kPa1.99951 km
84.6 kPa1.49576 km
89.9 kPa0.997667 km
95.5 kPa0.496579 km
98.4 kPa0.24638 km
101 kPa0.0270889 km

Quick answers

Quick answers

How many kPa is 1 km?
1 km is 89.8746 kPa.
How many kPa is 10 km?
10 km is 26.4362 kPa.
How many kPa is 3 km?
3 km is 70.1085 kPa.

The units

About these units

Kilometers (km)

Altitude in kilometers.

Kilopascals (kPa)

Air pressure in kPa.

Learn more about altitude units

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