BMP180 Bosch Sensortec, BMP180 Datasheet - Page 16

• Manufacturer Part Number: BMP180
• Description: Specifications: Lead Free Status: Lead Free ; RoHS Status: RoHS Compliant
• Manufacturer: Bosch Sensortec

3.6 Calculating absolute altitude
With the measured pressure p and the pressure at sea level p
meters can be calculated with the international barometric formula:
Thus, a pressure change of ∆p = 1hPa corresponds to 8.43m at sea level.
BST-BMP180-DS000-07 | Revision 2.3 | May 2011
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Note: Specifications within this document are subject to change without notice.
Figure 5: Transfer function: Altitude over sea level – Barometric pressure
-1000
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
altitude
Barometric pressure [hPa]
Data sheet

BMP180
44330
*





1
-

 

Altitude in standard
atmosphere
p
p
0

 

5.255
1





0
e.g. 1013.25hPa, the altitude in
Page 16
Bosch Sensortec